climate change

Question 1

what are the 3 main greenhouse gases?

Answer 1

water vapour, methane and carbon dioxide

Question 2

how do humans increase co2 in the atmosphere?

Answer 2

burn fossil fuels which releases carbon dioxide

Question 3

what is the effect of deforestation in the atmosphere?

Answer 3

carbon dioxide increases because less plants are able to photosynthesise and take co2 in

Question 4

what 2 ways do humans increase methane in atmosphere?

Answer 4

through agriculture and when cows fart

Question 5

what is the effect on atmosphere of methane and co2 increasing?

Answer 5

temperature of atmosphere rises because more energy from sun is being trapped in atmosphere

Question 6

what effect does climate change have on polar ice sheets and glaciers?

Answer 6

causes them to melt, which leads to a rise in sea level and flooding

Question 7

what effect does climate change have on weather?

Answer 7

frequency and severity of storms may increase

Question 8

what effect does climate change have on distribution of animals?

Answer 8

increase in temp and amount of water available in a habitat may affect animals and their distribution

Question 9

what do many scientists believe is the reason for temperature of earth’s atmosphere increasing?

Answer 9

human activites

Question 10

why do we have simplified models, speculation and opinions presented in media based on parts of evidence and potential bias about climate change?

Answer 10

because it is difficult to model such complex systems such as global climate change