25

Question 1

4 main gases in the earths present atmosphere?

Answer 1

nitrogen: 78% oxygen: 21% Argon: 0.9% Carbon Dioxide: 0.04%.

Question 2

gas released by burning ff and leads to acid rain and breathing difficulties?

Answer 2

Nitrogen Oxide.

Question 3

High demand for eating beef increase ghg emissions?

Answer 3

Releases lots of methane.

Question 4

ozone layer related to GW,GHGE or CO2?

Answer 4

It is not related.

Question 5

3 gases in earths early atmosphere?

Answer 5

nitrogen,carbon dioxide,water vapour.

Question 6

3 fossil fuels?

Answer 6

coal,oil,gas.

Question 7

name for amount of CO2 a person releases over a year?

Answer 7

carbon footprint.

Question 8

fossil fuels made from?

Answer 8

Fossilised remains of plants and animals.

Question 9

3 reasons it’s hard for countries to reduce GHG emissions?

Answer 9

1. Cost money.
2. Disagreement is a problem.
3. Difficult to implement.

Question 10

GHG released from swamps and rice?

Answer 10

Methane.

Question 11

3 greenhouse gases?

Answer 11

carbon dioxide, methane, water vapour.

Question 12

A single reaction which is thought to change Earths early atmosphere into the one we have now?

Answer 12

Photosynthesis.

Question 13

Name for the layer of gas around the Earth?

Answer 13

Atmosphere.

Question 14

carbon dioxide + water —> oxygen + glucose?

Answer 14

Photosynthesis.

Question 15

What is ozone layer?

Answer 15

Layer of 03 protecting us from UV.

Question 16

What causes greenhouse effect?

Answer 16

GHG stop heat escaping Earth, Earth gets hotter.

Question 17

4 risks of global climate change?

Answer 17

1. Rising sea levels.
2. Extreme weather.
3. Change of temp. and rainfall patterns.
4. Ecosystems under threat.

Question 18

2 gases that can be released by burning ff and lead to acid rain.

Answer 18

Nitrogen oxide and sulphur dioxide.

Question 19

How did carbon from atmosphere get ‘locked’ into the rocks.

Answer 19

Carbon stored in shells turned into limestone.

Carbon in living things also locked away as fossil fuels.

Question 20

Process where we pump carbon dioxide underground and trap in rocks?

Answer 20

Carbon capture.

Question 21

4 ways to reduce carbon emissions?

Answer 21

1. Burn less fossil fuels.
2. Carbon Capture.
3. Reduce beef demand.
4. Plant more trees.

Question 22

2 planets similar to Earths early atmosphere?

Answer 22

Mars, Venus.

Question 23

Which GHG released from burning fossil fuels?

Answer 23

Carbon dioxide.

Question 24

Under what conditions is carbon monoxide released during burning fossil fuels?

Answer 24

Not enough oxygen then produces carbon monoxide and soot.