Gravity is the force of between any two objects.

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

Number and variety of living organisms includes genetic, species, and ecological types

Which type of landforms forms at the plate boundary as a result of divergent stress