物理
運動學、受力分析、電學與方程推導。
-
what should restaurant employees do if they are experiencing symptoms o…
B. Inform a supervisor and stay home
-
what is absolute zero? the theoretical highest temperature the theoreti…
The theoretical lowest temperature
-
what is the correct way to lift heavy objects in a restaurant to preven…
C. Bend at the knees and lift with the legs
-
what is a reaction to tissue damage caused by injury or infection? immu…
Inflammatory response
-
crickets can jump with a vertical velocity of up to 14 ft/s. which equa…
\(h(t)=-16t^{2}+14t\) (the second option)
-
which information can be determined using half - life? age of material …
age of material
-
which is a physical barrier against pathogens? skin saliva tears gastri…
Skin
-
what is the primary ingredient in traditional italian pasta? a. rice b.…
C. Wheat
-
what type of charge does a proton have? a proton has a negative charge.…
A proton has a positive charge.
-
after two half-lives, how much of the original material has decayed? 25…
C. 75 percent
-
the image shows cross - cutting relationships. b, w, e, and k represent…
Fault Q occurred before layer K was deposited.
-
if all of these substances were placed together in the same container, …
Iron
-
what is the correct procedure for cleaning and sanitizing a commercial …
B. Disassemble and wash with soap and water, then sanitize
-
what is the purpose of a grease trap in a commercial kitchen? a. to add…
B. To prevent plumbing blockages
-
at what point does a substance begin to freeze? the substance loses so …
The substance LOSES so much heat that it changes to a solid.
-
which feature causes a gap in the geologic record? extrusion fault intr…
D. erosion
-
our sun is a star. in which state of matter is most of the matter in th…
plasma
-
the image shows a projection map. which type of map is this? flat model…
flat model, conic projection
-
below are different physical properties of a baseball. which of these d…
145 grams
-
the aurora borealis is a visual example of what? the stratosphere the o…
The magnetosphere
-
what did the rus do that led to the eventual influence of the byzantine…
The Rus established a strong trading relationship with Constantinople.
-
what causes an iron nail to become magnetic when it is rubbed against a…
The domains in the iron nail become aligned.
-
the image shows a world map. where is the pacific ocean located? only n…
- D. in both the Eastern and Western Hemispheres
-
choose the correct answer. which uses a magnet? pulley copper wire refl…
Motor.
-
which of the following objects could be turned into a temporary magnet?…
B. An iron nail
-
which is one piece of information that fossils in samples from earths c…
number of species at a specific time
-
the graph below shows data about three tree species after a glacial ret…
A. Primary succession
-
\how can you rest one moment in such a condition?\ what effect does ask…
It makes the sermon seem directed at the listener personally. It makes the listener think about their actions.
-
a topography map is used to study the changes in vegetation associated …
A scientist
-
question 14 (5 points) keplers contribution to science was to observe t…
observe that the orbits of the planets were predictable.
-
which correctly lists the three isotopes that geologists measure to det…
carbon - 14, nitrogen, and carbon - 12
-
\how can you rest one moment in such a condition?\ what effect does ask…
It makes the sermon seem directed at the listener personally. It makes the listener think about their actions.
-
question 12 (5 points) listen enlightened despots worked to use enlight…
use Enlightenment ideas to reinforce their own power.
-
for which object would a geologist use carbon - 14 dating to determine …
The bones of animals
-
which phrase identifies the standard difference in elevation index cont…
B. contour interval
-
question 8 (5 points) copernicus ideas threatened the catholic church b…
they criticized the doctrines of the Catholic Church.
-
which is the best example of a character archetype? a. a necktie that c…
C. A witty trickster who can talk himself out of any problem
-
when a transverse wave passes from right to left through a medium, what…
Particles move back and forth perpendicular to the wave.
-
gravity and air resistance quick check hanna wants to calculate the ter…
a typical meteorite’s weight, surface area, and coefficient of drag; air density close to Earth
-
carbon monoxide is an exhaust gas that can cause injury. what is oshas …
d. 50 ppm
-
a ball falls from a tall bridge. the ball has a mass of 0.15 kg. the ai…
\(363\ m/s\)
-
carbon monoxide is an exhaust gas that can cause injury. what is oshas …
d. 50 ppm
-
gravity and air resistance quick check which is the equation for termin…
\(V_t=\sqrt{\frac{2w}{dAC_d}}\) (the second option)
-
read the following excerpt from the story of my life by helen keller. s…
B. Climax
-
scientists are creating a material that may replace damaged cartilage i…
The length of the hydrogel when stretched to capacity is \(67.2\) cm.
-
gravity and air resistance quick check how does a falling objects surfa…
The greater the object’s surface area, the more air resistance it encounters.
-
highly specialized species tend to evolve on islands because of the env…
B. A small island in close proximity to the mainland
-
a 163 square - kilometer (km²) small island is found 2,000 km from the …
A. The rate of immigration is lower for the small island than for the large island.
-
gravity and air resistance quick check what happens when a falling obje…
It stops accelerating.
-
based on the theory of island biogeography, which of the following is t…
A. There are more species that have the ability to travel 5 kilometers than can travel 15 kilometers.
-
using a barrier - type hand lotion while working in the automotive shop…
True
-
used engine oil is being discussed. technician a says that generally sp…
d. Neither Technician A nor B
-
autofiction is an emerging literary form that incorporates autobiograph…
A. The novel portrays the upbringing of the protagonist, a young writer, in a working - class Vietnamese American family that is virtually identical to Vuong’s family, and the pro…
-
hazardous materials can be ——. select one: a. solids b. liquids c. gase…
d. All of the above
-
a(n) —— is any material that poses an unreasonable risk of damage or in…
d. Dangerous good
-
which of the following information about hazardous materials is not fou…
d. How to deal with them in a fire situation
-
most technicians use hazardous materials on a daily basis. select one: …
True
-
the acronym for fire extinguisher use is pass, which stands for pull, a…
A. Squeeze
-
question 10 of 10 what are two reasons why a home computer scanner requ…
B. Visible light needs to reflect off an object and be captured by a charge - coupled device. C. The charge - coupled device contains a silicon chip that releases electrons by the…
-
7. the article “keystones” explains that in architecture, a keystone is…
In a family, a parent (as a caregiver) is like a keystone by handling finances, organizing activities, and providing emotional support. In a career, a project manager (coordinatin…
-
the yellow pentagram symbol on a fire extinguishers means it can fight …
True
-
question 9 of 10 which two statements describe how ultrasound technolog…
B. High - frequency sound waves are reflected by tissues in the body; D. The amount of time it takes for a wave to return can be used to create an image.
-
question 8 of 10 why are networks of cables not used to send informatio…
C. The information needs to travel only a short distance.
-
class c fires involve: select one: a. electrical equipment b. paper and…
A. Electrical equipment
-
in the united states, there are —— classes of fire. select one: a. thre…
c. Five
-
question 5 of 10 which type of scanner uses x - rays, and why? a. bar -…
C. Security baggage scanners, because X - rays either pass through or are absorbed by the objects in the baggage, creating an image of the objects
-
question 4 of 10 how does an image from a ct scan differ from a regular…
C. The CT scan uses many X - ray images in thin slices to make a 3D image.
-
question 3 of 10 which three careers use technologies that apply the do…
A. Doctor specializing in circulation, B. Military, C. Meteorologist
-
question 2 of 10 which two characteristics make electromagnetic waves e…
B. They do not require a medium to carry information. C. They carry information very quickly.
-
question 1 of 10 how does the doppler effect cause a sirens pitch to in…
D. Sound waves are pushed closer together, decreasing wavelength and increasing frequency.
-
a green background is used for emergency - type signs, such as for firs…
True
-
technician a says that both caution and warning indicate a potentially …
a. Technician A
-
which of the following is true? select one: a. a green background is us…
a. A green background is used for fire protection.
-
multiple choice question 11 listen how did ghana take advantage of its …
B. Ghana taxed merchants and traders as they traveled from Taghaza to the gold mines.
-
white text on a red background generally indicates: select one: a. dang…
A. danger
-
when you walk in, which animal do you see if you look directly north?
Crocodile
-
which animal is in between the lions and giraffes?
Deer
-
which ocean is east of the u.s?
Atlantic
-
the purpose of evacuation routes is for all of the following, except: s…
d. To store rarely used equipment.
-
which ocean is north of the canada? arctic pacific atlantic
Arctic
-
which ocean is west of the u.s?
Pacific
-
c. short answer 1. complete the chart below: app - 6 2. heart produces …
| Part | Function | Special feature | |--|--|--| | SA node | Natural pacemaker; initiates heart contractions | Autorhythmic; sets normal heart rate (60 - 100 bpm) | | Systematic A…
-
blue light waves have more energy than red light waves. which of these …
shining dim blue light on a strip of metal, shining bright blue light on a strip of metal
-
which feature separates watersheds? basins bays ridges rivers
C. ridges
-
question 1 - 10 how did jim crow laws specifically impact the education…
They forced African American children to attend segregated schools with fewer resources and poorer conditions.
-
which statement describes one characteristic of index contour lines? th…
They show regions where a difference in elevation exists.
-
question 4 how was the mongolian empire different from other empires/dy…
A. Trade along the Silk Road flourished, due to the constant presence of Mongolian troops traveling along the borders of the empire. B. The Mongol rulers maintained peace because …
-
question 2 1 pts it took congress 95 years to enforce the above amendme…
True
-
19. which of the following was a result of the louisiana purchase? fran…
The size of the United States nearly doubled.
-
by attempting this quiz/exam, i verify: i will adhere to the honor code…
Municipal governments
-
17. why was the war of 1812 significant to the united states? it repres…
It demonstrated that the new nation was likely to endure.
-
complete the diagram showing how the parts of an atom are related. atom…
From left to right, top to bottom: atom, nucleus, neutron, quark, proton, quark.
-
12. which event turned the tide of the conflict in the ohio valley? gen…
General Anthony Wayne’s victory at the Battle of Fallen Timbers
-
6. a car is being pushed on rubber. the force of the push is 4000n. μs …
The force of gravity on the car is approximately \(3448N\)
-
which phrase best describes the active - listening skill of suspending …
creating space
-
7 what was one result of the american invasion of canada? detroit was s…
Detroit was surrendered to the British army.
-
fill in the blanks: 1. function of aorta is ---------------------------…
1. To carry oxygenated blood from the heart to the body. 2. The upper half of the body (head, neck, upper limbs, upper torso). 3. Tricuspid valve. 4. Sino - atrial (SA) node. 5. T…
-
please write true or false for each statement 4) an object at rest has …
4. True 5. True 6. False 7. False 8. False
-
students want to design an experiment to study gravity. they decide the…
C. Drop each object 10 times and use the average of each object's fall times.
-
13. what is inertia?
Inertia is the property of an object to resist changes in its state of motion.