Water is unique because no other substance in nature occurs in

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

How many moles of gas are present if p=11 atm, v=12l, t=185k?

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?