What is the carbon cycle? how does carbon get into our atmosphere? how does it leave?

What best describes lactic acid fermentation?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil