Polar because it always is below 32 degrees and has no rainfall
Photosynthesis is the process through which plants use sunlight and carbon dioxide to make food to sustain themselves. Cellular Respiration is when cells use oxygen and water to create a food source for the cell. The formula for photosynthesis is the same for cellular respiration except it's backwards. Hope this helps.
Visual disturbance is the most likely to precede primary succession
I think the answer is naturally acquired active immunity..also depends on which disease