27/03/20

Question 1

Atmosphere

Answer 1

the envelope of gases surrounding the earth or another planet.

Question 2

Greenhouse effect

Answer 2

The greenhouse effect is defined as when the Earth’s atmosphere becomes thick with gases and substances which trap the sun’s radiation

Question 3

Greenhouse gas

Answer 3

Carbon dioxide, methane

Question 4

Global warming

Answer 4

a gradual increase in the overall temperature of the earth’s atmosphere

Question 5

Photosynthesis

Answer 5

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water

Question 6

Respiration

Answer 6

a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide

Question 7

Combustion

Answer 7

rapid chemical combination of a substance with oxygen, involving the production of heat and light

Question 8

Carbon sink

Answer 8

a forest, ocean, or other natural environment viewed in terms of its ability to absorb carbon dioxide from the atmosphere.

Question 9

Fossil fuels

Answer 9

a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

Question 10

Carbon cycle

Answer 10

carbon nuclei are repeatedly formed and broken down in the conversion of hydrogen into helium.

Question 11

Climate change

Answer 11

a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.