物理
运动学、受力分析、电学与方程推导。
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which gas in earths atmosphere forms ozone? oxygen nitrogen water vapor…
oxygen
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which word describes the amount of matter an object contains? altitude …
C. mass
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which atmospheric layer gets warmer as altitude increases and contains …
stratosphere
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as altitude increases, what happens to air pressure? ○ it fluctuates. ○…
C. It decreases.
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which correctly lists three characteristics that are used to describe a…
mass, pressure, density
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the image shows a representation of mountains of various heights, numbe…
1
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specific engineering projects/examples 5) spinlaunch: how does the \sli…
5) SpinLaunch uses a vacuum centrifuge to mechanically accelerate payloads to hypersonic speeds before a small rocket finalizes orbit; it differs from traditional rockets by reduc…
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radio communications were severely disturbed last week, and the local n…
auroras and solar flares
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identifying the layers of the atmosphere use the drop - down menus to c…
1. If the **troposphere (and its associated lower atmosphere/meteor burn layer, specifically the mesosphere which is the primary barrier, but from the given options, the troposphe…
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contrasting layers of the atmosphere one evening, you see the northern …
thermosphere
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the distance between planets varies as they move in their orbits. the m…
C. 55,000,000 km
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comparing atmospheric layers during an evening hike, you see a shooting…
mesosphere
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which statement describes how the van allen belts are formed? when low …
when high-energy particles from the Sun are trapped by Earth's magnetic field
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identifying how the atmosphere benefits life fill in the blanks to comp…
1. oxygen 2. water 3. Sun
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pretest: unit 2 are we supposed to stand idly by while our town governm…
C. The repetition of "we cannot" draws attention to the argument's proposal and call to action.
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in the process of ecological succession, one community replaces another…
a climax community is established.
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describing the composition of earth’s atmosphere read the question, and…
The most abundant gas in Earth's atmosphere is **nitrogen**, followed by oxygen, which is needed to burn wood and fuel. The third-most abundant gas is **argon**. The amount of **c…
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im a bank manager and parent of two high school students, so i know jus…
B. The use of expert opinion to give the paragraph some additional authority
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read the following argument: as a doctor of 10 years i can say with con…
D. The writer first appeals to his or her authority and then to the reader's emotions.
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describing prominences which statements describe prominences? check all…
- Prominences are composed of cool, dense gas. - Prominences can disturb radio communications on Earth. - Prominences cycle over an 11-year period. - Prominences are loop shaped.
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use the equation below to find v, if u=13, a=9, and t=5. v=u+at v =
$58$
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key ideas tides use the space below to take notes on each key idea in t…
gravity opposite tide Tides are... the periodic rise and fall of sea levels. Tides are caused by... the gravitational pull of the Moon (and to a lesser extent the Sun) on Earth's …
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find the surface area of the cone below. leave your answer in terms of …
\( 864 \)
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which velocity vs. time graph corresponds to the data represented by th…
The velocity - time graph corresponding to the given position - time graph is a horizontal line (indicating constant velocity). If we assume the options for velocity - time graphs…
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data source: united states national oceanic and atmospheric administrat…
On May 16, 2017, the weather in Havana was influenced by an air mass that was warmer and had **higher** specific humidity than the air mass that influenced weather in Coats Island…
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please note: leaving this page before submitting your assessment will r…
d) All of the above
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what is the surface area of this cylinder? round your answer to the nea…
2714.34 square centimeters
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an object is launched from a platform. its height (in meters), ( x ) se…
\( 45 \)
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enticing people to drink recycled water, however, requires getting past…
Orange County has a successful water program.
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which describes the two ways that energy is measured? in convection and…
D. in wavelength and in temperature
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which is one function of a weather balloon? enables forecasts seven to …
measures conditions in the upper atmosphere
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which is part of the process in the formation of hail pellets? they are…
They are tossed up and down in clouds.
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examine the weather map. which high - temperature range is most likely …
D. 90°F to 99°F
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which correctly list the three gases that each make up less than 1 perc…
argon, water vapor, carbon dioxide
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in which direction does wave energy travel in the ocean? ○ up and down …
toward the shore
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where are jet streams found? close to the poles in the middle latitude …
in the upper atmosphere
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which belt is a global wind belt found in the middle latitudes? doldrum…
prevailing westerlies
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the new furniture for the english departments writers lounge has just a…
Approximately 1453 Joules (or 1450 Joules if rounded to two significant figures, but the precise calculation gives ~1453 J)
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what leads to the formation of a windchill factor? earths rotation infl…
D. There is a change in air temperature and increase in high wind speeds.
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which statement accurately describes the relationship between air press…
D. Denser air exerts more pressure than less dense air.
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which causes a sea breeze? air temperatures are cooler than normal. air…
Air above land warms quicker than air over water.
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which atmospheric layer is where earths northern and southern lights oc…
thermosphere
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account based on oral sources muhammad led a group of about 300 men on …
The army from Medina was able to defeat the more powerful Meccan army.
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imagine that germanium has an emission spectrum with a spectral line wi…
Frequency: $\boldsymbol{4.69\times10^{14}\space Hz}$ (rounded to three significant figures) Energy: $\boldsymbol{3.11\times10^{-19}\space J}$ (rounded to three significant figures)
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use this map to answer the question below. which of these south america…
Brazil
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world oil chokepoints for maritime transit of oil source: u.s. energy i…
the volume of oil transported through each chokepoint
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in order to estimate the length of the runway, a passenger on an airpla…
1.092 miles
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name unit 9, day 9 hw 1. draw a trend line for the above data. 2. what …
1. (The trend line is already drawn on the graph, following the negative linear pattern of the data points.) 2. $y = -4.5x + 50$ 3. $-62.5$ (Note: A negative value here indicates …
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in 630 ce, muhammad and his followers led a large army to mecca. they p…
To solve this, we analyze the passage and match each characteristic to the correct control period: ### Under Muslim control: - **dedicated to one god**: After Muhammad gained cont…
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use the text to compare and contrast the pacific ocean and the atlantic…
To solve this, we analyze the text and match each statement to the correct ocean: ### For "Covers one - third of the earth": From the text, "The Pacific Ocean is the largest ocean…
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1,000 meccans who were much better equipped. muhammad told his men to w…
To solve this, we analyze each detail against the two accounts: ### 1. "The army from Medina defeated a more powerful Meccan army." - **Oral sources**: The first text says "1,000 …
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hands - on lab investigate observe the structure of a vinyl record and …
1. **Distortion caused by noise (Analog received signal):** A wavy signal matching the original analog wave's frequency but with irregular, noisy peaks/valleys (the noise is retai…
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geography of the american colonies directions: complete the map of the …
1. **Regions**: - Color the northernmost coastal area for New England Colonies - Color the central coastal area for Middle Colonies - Color the southern coastal area for Southern …
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given that japan was left with minimal defenses after the war, how has …
C. US military bases in Japan provide protection.
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in what way did the new japanese constitution change the role of the em…
B. He was forced to declare he did not have divine power.
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keith is researching a controversial topic and wants to use a website h…
B. The author uses emotional language to express a single point of view
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even after he moved to medina, muhammads enemies in mecca against him. …
C. The army from Medina was able to defeat the more powerful Meccan army.
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c) create an equation to show the relationship between the altitude, a …
To create the equation, we need more context (e.g., if the altitude changes at a constant rate, initial altitude, rate of change). Assuming a common scenario like a object moving …
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1. -/25 points 0/100 submissions used during a 12 - hour period, the te…
1. $48^\circ\text{F}$ 2. $64^\circ\text{F}$
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what is the surface area of this cylinder? round your answer to the nea…
113.10 square feet
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analyzing weather maps page 1 page 2 atmospheric conditions associated …
- less humidity - no precipitation - cooler temperatures
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what is the surface area? 9 in 9 in 9 in square inches submit
486
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practices and principles english answer these questions after reading a…
s: 1. For the first question: A positive relationship with teachers promotes learning by encouraging question - asking and better understanding. It increases interest in instructi…
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you accidentally spill some of a bacterial culture liquid onto the benc…
True
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name: date: homework (u5l6) team: african americans in the mid-1800s di…
1. d. All of the above. 2. d. None of the above. 3. c. They told folktales with customary characters and storylines.
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8. what can the reader infer about the diagram at the bottom of page 2?…
C. The diagram represents seismic waves moving through the ground.
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7. in which section would the reader find information about earthquakes…
D. Seismic Waves
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which of the following agents would be least effective for disinfecting…
C. water
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which of the following terms best describes a decontamination procedure…
None of A. sanitization, B. antisepsis, C. disinfection is correct. The term for a decontamination procedure that ensures absolutely no life is "sterilization", which is not among…
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6. which of the following is not true about waves? (select all that app…
- Sound waves travel through photons. - The amplitude of a wave is the measurement from trough to trough. - Dull objects reflect a lot of light.
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this is a wave pattern diagram for two waves. low amplitude high amplit…
B. The high amplitude wave has more energy than the low amplitude wave C. The frequency for both waves is 3Hz.
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5. which of the following best describes a sound wave with a small ampl…
C. A quiet, dull sound
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florence is the owner of pltz grove, an orchard with 1,800 cherry trees…
840
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4. what purpose do waves serve? a. to make sounds b. to transfer energy…
B. To transfer energy
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3. which type of waves allows you to see your reflection in a mirror? a…
C. Light waves
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identify the parts of the wave shown below.
- Left top dashed box: crest - Right top dashed box: amplitude - Bottom left dashed box: wavelength - Bottom right dashed box: trough
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2. what do scientists call wave measurement from trough to trough? a. p…
B. Wavelength
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6. stock epithet: another figure of speech that occurs frequently in th…
To answer the character descriptions for Athena and Zeus in "The Iliad": ### For Athena: She is the goddess of wisdom, warfare, and handicraft. She is the daughter of Zeus (born f…
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question 3 \\(\\bigstar\\) key question\ describe how einsteins general…
According to Einstein's General Theory of Relativity, gravity is not a traditional force acting between masses. Instead, massive objects cause a curvature or warping of the four-d…
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this month, the tinsville petting zoo is trying to determine how long g…
between 1 and 3
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question 1 identify the definition of gravity. a force of attraction be…
Question 1: A force of attraction between two objects that have mass Question 2: - A cloud of dust and gas collapsed and started to spin - Material in a dust and gas cloud was pul…
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question 7 / 7 as latitude decreases, how does it affect temperature? a…
B. Temperature gets warmer
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question 6 / 7 which area tends to have a wider temperature range? a. c…
B. Inland areas
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question 5/7 which side of a mountain range is dry and has less precipi…
B. The leeward side
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question 4 / 7 which type of ocean current will bring more precipitatio…
B. Warm
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question 3 / / which type of ocean current will bring warmer air temper…
B. Warm
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question 2 / 7 which global wind brings warmer air temperatures and a l…
C. Trade winds
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complete your 3-2-1 3 things you learned about waves, currents, or tide…
### 3 things learned: - Waves are formed by wind - water energy transfer. - Tides result from Moon (and Sun) gravitational pull. - Ocean currents include surface (wind - driven) a…
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question 1 / 7 when elevation increases, what happens to the temperatur…
A. Temperature gets colder
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the board of regents at hazelbury college plans to expand the availabil…
\(55\)
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which observation would indicate that rain is approaching? falling baro…
A. falling barometer, increased cloudiness, falling temperatures (assuming the first option is labeled A, adjust the label according to the actual option numbering in the question)
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4. which of the conventional pollutants has decreased in the recent pas…
a. carbon monoxide
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3. what causes acid deposition? a. methyl chloroform emissions b. lead …
d. sulfur or nitrogen emissions
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2. which of the following is one of the greatest indoor air problems gl…
d. cooking fires
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a student places a small amount of water in a glass dish and then caref…
A. The paperclip falls through the water to the bottom of the dish, B. The soap acts as a surfactant, D. The soap decreases the surface tension of the water
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1. which of the following is categorized as a secondary air pollutant? …
b. atmospheric acids
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what force in liquids causes surface tension? covalent forces intermole…
B. intermolecular forces
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7. choose the best answer. which of these is the correct bohr model for…
The second option (the model with 2 electrons in the innermost shell, 8 in the middle shell, and 3 in the outermost shell)
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on your own paper, write the term from the word bank that correctly com…
1. deficit 2. diplomacy 3. surplus 4. factor of production 5. constituent 6. isolationism 7. monetary policy 8. expansionary 9. national debt 10. competition 11. imperialist 12. l…
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at 60...ds, how far had this object traveled?
40 m