Complex chemistry is most related to

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

Explain how the political influence of african americans leaders became weaker.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone