Heat transfers through Earth's systems in different ways. In which atmospheric action can we see evidence of conduction? Cold air pushes warm air upward, creating a current. Cold air pushes warm air upward, creating a current. The surface of the Earth heats the air that contacts it. The surface of the Earth heats the air that contacts it. Radiation from the Sun heats the surface of the Earth. Radiation from the Sun heats the surface of the Earth. Air increases in density and sinks back towards the Earth.

Answers

Answer 1

Answer:

Answer:

B. The surface of the Earth heats the air that contacts it.

Explanation:

Conduction is a mode of heat transfer in which energy is transferred from a hot molecule to the neighboring molecules due to contact. Thus, heat energy is transferred from one molecule to another in the process.

Therefore, the air that comes in contact with the surface of the earth heats up by conduction. Since the surface of the earth is heated up due to the radiation from the Sun.

Answer 2

Answer:

Answer: B.

Explanation: I took the test. Also, after my diagnostic I just wanted to see if my answers were correct lol.

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An isometry preserves
orientation
distance
direction

Answers

Answer:

Distance

Explanation:

Isometry preserves the distance while transformation is made in between metric spaces. When a metric space is mapped on to another or itself, the distance between two points remains same in the images in the mapped space as well. Example: rotation and translation.

Thus, isometry preserves the distance.

Answer:

distance

Explanation:

Which of the following groups of environmental science careers are most similar?a. Hydrologist, toxicologist, environmental lawyer
b. Environmental physician, environmental veterinarian
c. Environmental activist, oceanographer, ecologist
d. Oceanographer, Environmental journalist

Answers

The correct answer for the question that is being presented above is this one: "b. Environmental physician, environmental veterinarian." The groups of environmental science careers that are most similar is that of Environmental physician and environmental veterinarian.

Correct answer choice is:

B. Environmental physician, environmental veterinarian.

Explanation:

Environmental medicine is a field involving several academic disciplines including physicians, environmental science, chemistry and many other related fields, protruding with environmental diagnostics. The extent of this domain includes examining the interplay's between ecosystem and human health, and the role of the atmosphere in producing or negotiating infection. Likewise, In the wildlife division, doctors are frequently defied with the outcomes of environmental contaminants and contagious infection disorders that probably endanger wild and housebroken animals as well as individuals.

A student who weighs 500 newtons climbed the stairs from the first floor to the third floor,15 meters above, in 20 seconds. How much work did she do

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Well, the 20 seconds gives us enough information to actually calculate the power she has on her feet :)
Well, the work is 500*15=7500J, that is 7.5 kJ or about 18 calories (1 cal is 418J?) The power is that 7.5 kJ divided by 20 seconds: 375W. That's... OK, I suppose...

Answer:

Work = (500N)(15m)=7500J Power= (7500J)/(20s) =375 W

Hopefully this helps

Explanation:

A. B. C. D.
-___________

Answers

where is the data for this question? what is the purpose ?

Explain the latency heat during a phase change of a substance. What does this look like on a heating curve?

Answers

Answer

Latency heat is that heat which is either released or absorbed when a substance changes its physical state at constant temperature eg. from solid to liquid at the melting point or from liquid to gas at boiling point.

Explanation

The change of phase always occurs with a change of heat. However the temperature does not change because that heat energy is used to overcome cohesive forces between molecules of that substance, no part of heat energy is used to increase the kinetic energy of the molecules. Similarly, heat energy is released and molecules of that substance comes closer but temperature doesn't decrease. So its temperature will not rise/decrease since the kinetic energy of molecules remains the same.