What is the average size of the prokaryotic cell?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

What in scientific term why the salty popcorn causes this thirst

What's the waste product of electrons and pyruvate combining in fermentation?