What is the main purpose of the international space station ?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

What natural processes produce large quantities of co2

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.