In which of Earth's spheres does the stratosphere exist? A hydrosphere
B geosphere
C atmosphere
D biosphere

The shift of a vehicle's weight around its center of gravity is known as

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?

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