What are the two properties of mater that determine its state

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?