interactions between earth spheres

Question 1

describe how greenhouse gases cause the greenhouse effect

Answer 1

Greenhouse gasses like carbon dioxide and methane trap heat in earths atmosphere. greenhouse gasses are necessary for our planet to be warm enough for life, but if there’s too many global warming and climate change happens.

Question 2

what is a modifier? (keystone species)

Answer 2

An organism that alters an environment which can benefit other organisms

Question 3

describe a mutualist (keystone species)

Answer 3

Organism that engages in mutually beneficial interactions

Question 4

define a host (keystone species)

Answer 4

Organism that provides habitat or food source for another keystone species

Question 5

What are details of water vapour

Answer 5

From evaporation of water from oceans, lakes, ponds, plants and has important implications for climate, weather and water cycle

Question 6

What is the source/ details of carbon dioxide?

Answer 6

Burning fossil fuels and it comes from human activities

Question 7

What is a source/ details of methane?

Answer 7

cows that eat too much grain, comes from natural sources and human activities

Question 8

What is a source/details of nitrous oxide

Answer 8

Agricultural activities/ nitrogen based fertilizer, contributes to global warming and damages ozone layer