The answer would be glucose which is sugar.
so answer B)Sugar
Well, they are both deposited by glaciers, but the way they are deposited makes them different. Till is just sediment left by the ice, outwash is deposited by the running water coming off of the glacier. Your welcome! Don't for got to thank me!
Answer: creating an ozone layer to shield life from UV rays
Cynobacteria or blue green algae is the strain of bacteria, which was able to produce oxygen in the primitive earth as a result of photosynthesis. The abundance of oxygen in the atmosphere formed the ozone layer in the upper atmospheric layers, these layers are protective enough to provide a shield against the harmful UV radiations incident on earth coming from the sun.
Migraines
None of the others have that
