carbon cycle - carbon compounds

Question 1

what are the 5 most important carbon compounds?

Answer 1

• carbon dioxide
• methane
• calcium carbonate
• hydrocarbons
• bio-molecules

Question 2

what is carbon dioxide?

Answer 2

gas found in atmosphere, soil and ocean - most important as it thought to have a profound effect on climate change

Question 3

what is methane?

Answer 3

a gas found in the atmosphere, soil, oceans, and sedimentary rock

Question 4

what is calcium carbonate?

Answer 4

a solid compound found in calcareous rocks, oceans and in the Skeltons and shells of ocean creatures

Question 5

what are hydrocarbons?

Answer 5

solids, liquids or gases usually found in sedimentary rocks

Question 6

bio-molecules

Answer 6

complex carbon compounds found in living things, proteins, carbohydrates, fats, oils and DNA