Answer:
yes
Explanation:
yes because the ice changes forms physically and can be changed back. not 100% sure tho
<em />If 100 brownies require 6 eggs, 5 cups of flour, and 2 sticks of butter. Then, 50 brownies should require half of those required to make 100 brownies. Use ratio and proportion to determine the number of eggs needed:
100/50 = 6/x
x = 3<span />
Enyzmes speed up all chemical reactions
(Just took an AP Bio test with this question on it)
The cell membrane performs those functions. It is the outer layer of a cell and it creates a barrier, regulates material entry and exit, uses chemical signals, and creates structure.