earth atmosphere

Question 1

hat was the earths early atmosphere made up of

Answer 1

carbon dioxide and nitrogen

Question 2

how were the oceans made

Answer 2

water vapour from volcanoes that condensed

Question 3

name 2 ways co2 levels decreased in the atmosphere

Answer 3

trapped in sediment
plants and algae converting co2 into oxygen
Water condenses to form oceans in which co2 dissolves

Question 4

what is carbon footprint

Answer 4

how much co2 released into the atmosphere as a result of your actions

Question 5

name 4 atmospheric pollutants

Answer 5

carbon particulates, nitrogen oxide, sulphuric acid, carbon monxide

Question 6

how are carbon particulates made and what do they do

Answer 6

incomplete combustion which causes health issues
Global dimming

Question 7

how is sulphuric dioxide made and what do they do

Answer 7

result of fossil fuels burning which causes acid rain which corrodes metals and errodes stone

Question 8

how is nitrogen oxide made and what does it do

Answer 8

result of burning fossil fuels and causes breathing problems

Question 9

what is carbon monoxide

Answer 9

result of incomplete combustion
it binds to red blood cells and reduces the amount of oxygen that is transported around the body
is oderless and colourless

Question 10

What happened to gases after the formulation of earths early atmosphere

Answer 10

Nitrogen increased because of emissions from volcanoes
Oxygen increased because of photsynthesis

Question 11

How is coal formed

Answer 11

Carbon dioxide is used in trees
They die and are compressed
Over millions of years