Greenhouse effect and CC

Question 1

How was earths early atmosphere made

Answer 1

Gases from volcano europtions made the earths early atmosphere

Question 2

How does the earth’s atmosphere now contain oxygen

Answer 2

Plants evolved, photosynthesis, oxygen put into atmosphere

Question 3

What are some examples of green house gasses

Answer 3

Methane, Co2, Water vapour

Question 4

What are some examples in which human activities are leading to an increase in the concentration of green house gasses

Answer 4

Deforestation, Burning fossil fuels

Question 5

What are greenhouse gases useful for

Answer 5

Greenhouse gases cause the greenhouse effect, this is where the earth is heated because heat is trapped inside the atmosphere, allowing for plants to grow and humans to live

Question 6

In what ways are humans trying to decrease CO2 emissions

Answer 6

Creating new laws, reaseraching new energy sources, limiting fossil fuels, using more renewable energy

Question 7

How were oceans formed

Answer 7

Earth cooled down , water-vapour turned to water, creating oceans