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Evolution of The Earth's Atmosphere

Posljednje ažuriranje 7 months ago

6

Question 1

00:26

1

Question 2

01:15

5

Question 3

01:39

1

Question 4

02:18

2

Question 5

02:31

1

Question 6

04:37

4

Pitanje 1

1.

What is the percentage of oxygen in the Earth's current atmosphere?

80%

10%

20%

1%

Pitanje 2

2.

Which of these gases are produced by volcanoes?

Carbon dioxide

Water Vapour

Oxygen

Nitrogen

Methane

Ammonia

Hydrogen

Helium

Pitanje 3

3.

What happened to the water vapour so that it could form the oceans?

Pitanje 4

4.

What is the equation for photosynthesis?

Pitanje 5

5.

How has photosynthesis changed the Earth's Atmosphere?

Carbon dioxide has decreased, Oxygen has decreased

Carbon dioxide has increased, Oxygen has increased,

Carbon dioxide has decreased, Oxygen has increased

Carbon dioxide has increased, Oxygen has decreased

Pitanje 6

6.

Which of these store carbon dioxide from the atmosphere?

Volcanoes

The oceans

Plants

Sedimentary rock

Fossil fuels