When naoh is added to water, the hydroxide concentration increases . what can you conclude about naoh

Depending on the organism the number of in a cell may change

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 percentage of light hits earth's surface directly?