How many moles are in 6.02 x 1023 molecules of H20?

What metric units would you use to measure the thickness of a key

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?