物理
運動學、受力分析、電學與方程推導。
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what can reduce the urban heat island effect? rooftops covered with pla…
A. Rooftops covered with plants
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which type of heat island is present in the air layer from the ground l…
Canopy heat islands
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which type of heat island has a higher surface temperature in urban are…
Surface heat islands
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the urban heat island effect can cause increased greenhouse gas emissio…
B. Increased energy use
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the urban heat island effect can be caused by impervious surfaces (like…
Fuel combustion
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click on the number that shows a rarefraction. compression (longitudina…
3
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in urban areas, people turn on air conditioning units, which release he…
Positive
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consider the dot diagrams for objects a, b, and c. the arrow represents…
A matches graph: 1 B matches graph: 4 C matches graph: 2
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drag the tiles to the correct boxes to complete the pairs. match the ma…
- "can be erected faster" - wood - "is difficult to quarry, cut, and transport" - stone - "used for its thermal, acoustic, electrical, mechanical, and aesthetic properties" - stee…
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which statements best describe an effective claim in an argumentative e…
A. It is precise and clear
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which statements best describe an effective claim in an argumentative e…
A. It is precise and clear E. It states a fact using precise language
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bicyclist is stopped at the entrance to a valley, as sketched below: wh…
A (Point A) ### 2. Where would the bicyclist have the lowest potential energy?
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pumice is a rock that forms during volcanic eruptions from lava that co…
A. igneous
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quartzite is a rock that can form at the boundaries of tectonic plates.…
C. metamorphic
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coquina is a rock made of small pieces of broken shells. ocean waves br…
B. sedimentary
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1. for each of the following mining methods, explain the reason for its…
- **Reason for use**: Mineral deposits are near the surface. - **Advantage**: High ore recovery, lower operating cost. - **Disadvantage**: Severe environmental damage (habitat los…
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there are different ways to think about the meaning of speed. which des…
B. the rate at which distance changes per unit of time
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the jwst has parts that allow it to take pictures and send them to eart…
clear
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the distance from any point on one wave to a corresponding point on an …
wavelength
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when the medium is uniform, how do light waves travel through it? ○ irr…
D. straight line motion (assuming the options are labeled A to D with A: irregular motion, B: circular motion, C: vibrating motion, D: straight line motion)
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2. convert 4 tons to ounces. (1 pound = 16 ounces, 1 ton = 2000 pounds.
128000 ounces
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a speaker sliding across a table plays a sound with constant frequency,…
d. D
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a speaker sliding across a table plays a sound with constant frequency,…
a. A
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22 fill in the blank 1 point in a longitudinal wave, the disturbance in…
transverse
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click on the number that shows a compression. compression (longitudinal…
1
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click on the number that shows a compression. compression (longitudinal…
The number that shows a compression is the circled number (the one pointing to the tightly packed coils on the left).
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within the continental united states, air masses generally travel from …
A. West
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waves -such as visible light, microwaves and x - rays- can travel throu…
Electromagnetic
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what does acid deposition most commonly occur as? rain, snow, or fog dr…
A. rain, snow, or fog
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acid deposition on soil causes the release of metals, which results in …
It cannot support sensitive populations of aquatic organisms.
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sulfur dioxide is implicated in acid rain. burning which fossil fuel re…
Coal
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due to wind patterns, where does acid deposition fall? in the same plac…
Downwind of pollutants
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acid deposition is a process that kills organisms very slowly. soils th…
Reduce the ability of the waters to support sensitive aquatic organisms
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air masses travel from west to east. this means that air pollution from…
Europe
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15 fill in the blank 1 point a medium is a substance or material that c…
medium
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14 fill in the blank 1 point longitudinal waves produce sound.
Longitudinal waves produce sound.
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fill in the blank 1 point in a transverse wave the disturbance moves pa…
perpendicular
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this cylinder has a volume of 785 cubic millimeters. what is its radius…
5
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fill in the blank 1 point in a transverse wave the disturbance in the m…
longitudinal
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in 4-6, tell what metric unit you would use to measure each. 4. medicin…
5000 ### Question 8:
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a cone has a volume of 301.44 cubic meters and a radius of 6 meters. wh…
8 meters
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convert each unit. enter your answers in the boxes. 6 liters = \\boxed{…
s: 6 liters = \(\boldsymbol{6000}\) milliliters 3 kilograms = \(\boldsymbol{3000}\) grams 9 grams = \(\boldsymbol{9000}\) milligrams
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7. which city from the question above do you think matches with the gra…
The city is Krabi. The graph shows consistently warm temperatures (22–32 °C year-round), typical of a tropical climate near the equator, which matches Krabi's location in Southeas…
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transverse wave use the following picture to identify the parts of a tr…
B. Amplitude
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acid rains impact on soil can lead to the release of which elements? ox…
C. aluminum and other metals
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which professional organization certifies designers with the leed certi…
u.s. green building council
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which of the following releases pollutants that end up being the most w…
power plant pollution emission
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after you read: 5. what was one of the chief goals of the congress of v…
c. to create a lasting peace ### Question 6
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where do sulfur dioxide and nitrogen oxides emissions come from? volcan…
C. power plants and urban areas
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convert each unit. enter your answers in the boxes. 3 quarts = \\boxed{…
s: 3 quarts = 12 cups \( 3\frac{1}{4} \) gallons = 13 quarts 7 cups = 56 fluid ounces
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fill in the blank 1 point in a longitudinal wave, the part of the wave …
compression
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when water and sulfur dioxide (primary pollutant) meet, sulfuric acid i…
A. Secondary pollutant
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normal rain, which has not been contaminated by pollutants, has what ph…
Slightly acidic
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sulfur dioxide and nitrogen dioxide are both primary pollutants. what d…
Water
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questions what are electromagnetic waves? give some examples. what are …
s (Summarized for Each Question): 1. Electromagnetic waves are transverse waves of oscillating electric and magnetic fields, traveling without a medium. Examples: light, radio, mi…
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# layer average density (g/cm³) composition (what is it made out of) av…
Inner Core (with a corrected density of $12.4\ g/cm^3$ assuming unit typo) has the highest average density among the listed layers. If the question was different (like identifying…
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look up the following information and then answer the question. what ar…
### 4 Groups Most at Risk for Foodborne Illness: 1. Young children (under 5 years old) 2. Older adults (65 years and older) 3. Pregnant people 4. People with weakened immune syste…
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6. true or false: the ground becomes positively charged during a storm …
False
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response of what you could do to avoid this risk. know) 1. salmonella 2…
## 4 groups most at risk for foodborne illness: 1. Children under the age of 5 2. Adults aged 65 and older 3. Pregnant people 4. People with weakened immune systems (e.g., those w…
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8. making connections: compare the continental crust and oceanic crust …
### CONTINENTAL CRUST: Name of Rock: Granite Composition: Felsic (silica-rich, ~65-70% SiO₂) Mineral Content: Quartz, potassium feldspar, sodium-rich plagioclase feldspar, biotite…
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question after taking a dose of medication, the amount of medicine rema…
- $f(-6) \approx 270.43$, meaning -6 hours after taking the dose, there are 270.43 milligrams of medicine remaining in the person's bloodstream. This interpretation does NOT make …
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which of the following is a form of precipitation? groundwater water va…
D. Rain
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most of earths fresh water is found in — a. rivers and lakes b. oceans …
D. Glaciers and ice caps
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procedure c: - the percentage of minerals within specific igneous rocks…
5. $\boldsymbol{1200^\circ C}$ 6. $\boldsymbol{45\%}$ (approximate range 40-50% is acceptable) 7. More sodium-rich 7b. The magma that formed granite cooled at a relatively low tem…
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drag the words into the boxes representing the correct processes of the…
- A: Condensation - B: Precipitation - C: Evaporation - D: Transpiration
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two identical blocks are connected by a spring (of negligible mass) wit…
140.3 N
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when water vapor cools and turns back into liquid droplets, the process…
A. Condensation
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what number in the diagram below represents runoff?
5
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how do you use abs brakes? pump the brakes up and down. press the brake…
C. Press the brake pedal using constant pressure until the car stops.
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map skill - builder draw and label the following physical features on t…
To complete the task, follow these steps: 1. Locate and label each physical feature on the map using appropriate symbols (e.g., wavy lines for rivers, triangular symbols for mount…
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what is convection? heat transfer by fluid movement energy being transf…
heat transfer by fluid movement
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the height ( h ) (in feet) of an object ( t ) seconds after it is dropp…
$t=4\ \text{s}$
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what is convection? heat transfer by fluid movement energy being transf…
heat transfer by fluid movement
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what is the water cycle? the endless recycling of water on earth a proc…
The endless recycling of water on Earth
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which of the following is an example of energy transfer by convection? …
A refrigerator cools the air within it, which in turn cools food.
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what number represents percolation?
6
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which of the following is an example of energy transfer by convection? …
B. Popcorn pops because hot air is blown over it
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question 1 1 pts two identical blocks are connected by a spring (of neg…
136.4
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what process changes liquid water into water vapor? ○ evaporation ○ per…
A. Evaporation
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which of the following is an example of energy transfer by convection? …
B. An oven heats air which passes over cookies, baking them
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question 1 what is something that does not prolong your wiper blade lif…
Wipe your windows if there is ice build up on them.
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which of the following is an example of energy transfer by convection? …
B. A cloud forms above a pool on a very hot day.
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fill in the blank. convection works because ______ move around when the…
C. Fluids
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fill in the blank. convection works because ______ move around when the…
C. Fluids
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atitude and longitude ltitude and longitude are imaginary lines on a ma…
To solve these latitude and longitude problems, we analyze the map: ### 1. Mexico City - **Latitude**: Find the horizontal (latitude) line Mexico City lies on. From the map, it’s …
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why is peer - to - peer architecture the simplest form of network? beca…
○ because computers form P2P networks all by themselves
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why is a personal laptop computer not a server? because it is not big e…
B. servers are used directly by computers, not by people
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a smart phone is always a ______. ○ client ○ network ○ process ○ server
client
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question 8 of 100 foods that are high in vitamin c include: a. oranges,…
Question 8: A. oranges, tomatoes and watermelon. Question 9: False
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a factory has a dedicated room just for computers. they are generally k…
O Those computers are part of a network.
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question 10 of 100 if you notice the patients catheter is not draining,…
C. check the tubing to see if it is kinked.
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a factory has a dedicated room just for computers. they are generally k…
servers
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physical features of latin america latin america contains a wide variet…
Gulf of Mexico ### Question 2
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question 1 of 100 it is important to keep a patient covered during a be…
True
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question 2 of 100 mr. sticke is 76 years old, needs help with bathing, …
C. Have the brakes on the wheelchair in a locked position.
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the personal care assistant should be sure to take which of these actio…
A. Support the baby’s head and neck when picking the baby up.
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question 4 of 100 always report a pulse rate if the beats per minute ar…
True
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which of the following is not recommended for promoting good daily bowe…
B. laxatives.
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Question was provided via image upload.
s: 2. magnetic needle 3. direction 4. Telescopes
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quiz question 6 of 10 immersive reader which of the following would be …
D. It has ribbon - like layers, or bands.