What would happen without excretory systems in humans? a) wastes would build up in blood and damage the body. b) blood would not circulate through the body. eliminate c) oxygen would not enter the blood stream. d) nutrients would not be absorbed.

She planned to observe the flowers for the next five days for an hour at the same time each afternoon. then she wou the data in a multiple line graph to compare the number of bees that visited each flower. which statement best descr data in this investigation?

Could someone me with number one you

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