Why is ground meat more susceptible to microbial contamination than unground meat?

What are charcteristics of lithosphere?

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

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content