human impact

Question 1

list 4 effects increase carbon has on the environment

Answer 1

-ocean acidification
-global warming
-algae overgrowth
-melting of glaciers

Question 2

list 3 effects increase in nitrogen has on the environment

Answer 2

• algae overgrowth
  -acid rain
  -air pollution

Question 3

list 3 effects increase in phosphorus has on the environment

Answer 3

-algae bloom from phosphorus runoffs
- soil degradation
- destruction of biodiversity

Question 4

what is the ozone layer?

Answer 4

a layer of gas that helps trap the suns warmth between it and the earth

Question 5

define anthropogenic effect

Answer 5

any change caused by human activity

Question 6

what is the effect of cfc on the environment

Answer 6

they break down and change the O3 molecules present in the ozone layer

Question 7

list the greenhouse gasses

Answer 7

1- carbon dioxide
2- water vapour
3-methane

Question 8

is the ozone layer a barrier?

yes - no

Answer 8

yes

Question 9

why is the ozone layer improtant

Answer 9

protects the earth’s inhabitants from the sun’s rays

Question 10

give the three cfc’s

Answer 10

chlorine, fluorine, carbon