Climate Change — Quiz Answers

10 verified answers
1
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Which activity contributes the most to greenhouse gas emissions?

A
deforestation
B
livestock farming
C
fossil fuel use
D
landfills
2
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What is the main reason sea surface temperatures continue to rise in response to greenhouse gas emissions?

A
Heat trapped in the atmosphere cannot reach the ocean.
B
Most solar energy is reflected off the ocean surface.
C
Energy retained in the atmosphere transfers to the ocean over time.
D
Greenhouse gases block heat from reaching Earth's surface.
4

Match each Earth system to its description.

Answer:

absorbs most of the added thermal energy over time|the part of Earth that retains gases from emissions|vulnerable to heat stress and bleaching

5

Which human activity most directly increases CO sub 2 levels in the atmosphere?

A
driving gasoline-powered cars
B
using solar panels
C
drinking bottled water
D
planting trees
6

Which step would be most appropriate for an investigation that tests how ocean water absorbs heat over time?

A
add ice to one container and measure how fast it melts
B
place one container of water in the sun and another in the shade
C
use salt and sugar to test which dissolves faster
D
compare the pH level of the water before and after sun exposure
7

Scientists have observed that ocean temperatures continue to rise or remain high even after greenhouse gas emissions begin to decline. What property of water explains why ocean temperatures are slow to decrease?

A
Heat cannot escape easily from the ocean surface.
B
Water has a high heat capacity and retains energy for a long time.
C
Oceans cool more quickly than the land.
D
Water reflects most of the heat from the Sun.
9

Match each component with its role in the greenhouse effect.

Answer:

carries energy through space|absorbs heat and radiates it downward|reflects solar energy upward

10

Which statement best explains why rising levels of carbon dioxide lead to warmer global temperatures?

A
Carbon dioxide directly increases sunlight intensity.
B
Carbon dioxide reduces wind circulation, increasing heat.
C
Carbon dioxide blocks cold air from entering the atmosphere.
D
Carbon dioxide traps solar radiation in the atmosphere.

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