RTN1 - U2 - Climate Change

Which gases below are NOT primarily considered a greenhouse gas?

• Carbon dioxide

• Carbon monoxide

• Nitrous oxide

• Methane

• Nitrogen dioxide

How much have global average temperatures increased in the last century?

• 1°C

• 2°C

• 3°C

• 4°C

• 5°C

Answer explanation

That is about 1°C. [Source: NASA Climate Resource]

As air pollution continues to be released into the atmosphere, what becomes more depleted, resulting in an increase of ultraviolet radiation on earth?

• coral reefs

• rainforests

• ozone layer

• groundwater

As average global temperature rises, ___________.

• the average precipitation increases

• the average precipitation decreases

• the average precipitation stabilizes

• the average precipitation fluctuates

Answer explanation

Higher temperatures give rise to a more active water cycle, which means faster and greater evaporation and precipitation and more extreme weather events. [Source: NASA Climate resource]

A carbon ________ is the total greenhouse gas emissions caused by an individual, event, organization, service, place or product.

Organize these options into the right categories.

Groups:

(a) Renewable energy sources

,

(b) Non-renewable energy sources

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The following are examples of renewable energy sources except ...

• Geothermal

• Coal

• Hydrothermal energy

• None of the above

What is the function of the Ozone Layer?

• It protects the surface of the Earth from the ultraviolet radiation

• It protects the Earth's surface from the infrared radiation

• It decreases greenhouse emissions

• It builds reservoirs of carbon

Find in the article a word that means "a type of biome where tree growth is hindered by frigid temperatures and short growing seasons":

If something is a "balancing act", it means that ...

• It implies a lack of coordination or organization within a context

• It requires careful management and coordination of different elements

• It involves performing acrobatic stunts in a specific situation

• I don't know, please don't ask me

• It means being indecisive or uncertain about a troublesome matter