What is the melting point of water? I need help

What is the most stable monatomic ion formed from nitrogen

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.

Which item is most likely part of the safety contract