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7th S1 Quiz #1

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Last updated over 5 years ago
5 questions
1
1
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1
Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

The Earth is an integrated system that consists of rock, air, _________ , and living things that all interact with each other.
land
water
plants
animals
The main gas in the atmosphere is:
oxygen
nitrogen
methane
carbon dioxide
As you go up in the atmosphere, altitude ___________ and air pressure ________________.
decreases, increases
increases, decreases
remains the same, decreases
remains the same, increases
Mountain climbers will need to carry and use their oxygen tanks as they reach the top of a mountain because _____________________.
the atmosphere becomes thicker (more dense) at higher elevations.
the atmosphere becomes thinner (less dense) at higher elevations.
the atmosphere has more water vapor at higher elevations.
the atmosphere has more pollutants at higher elevations.
Which of the following explains how convection currents work?
Warm air rises, while cold air sinks
Cold and warm air meet
Warm air stays at the surface, cold air rises
Cold air rises, while warm air sinks