Which chemical formula is represented by the model?

C4H
CH4
H2O
CO4

When the water vapor cools it condenses select a number that represents his process on the

How many moles of oxygen react with 12 moles of aluminum

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.