How many kPa is there if you have 300 torr

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Salt in oceans comes from and of rocks