Answer:the job of that is to let nutrients or good things inside and keep the unwanted out. To make sure what the cell needs to survive and reproduce
Explanation:hope this helps
I suppose it is the density, having more pockets of air in between the granules of sawdust. Air has oxygen. What does a fire need to strive? Oxygen.
Answer:
The Calvin cycle refers to the light-independent reactions in photosynthesis that take place in three key steps. Although the Calvin Cycle is not directly dependent on light, it is indirectly dependent on light since the necessary energy carriers ( ATP and NADPH) are products of light-dependent reactions.
Gamma emissions cause the greatest loss of mass in an atom because gamma rays and emissions have the greatest penetration power, and is able to penetrate through body tissue.
