What is causing the change to earth's rotation?
the earth's mass has increased due to concrete and water near europe
o the earth's mass has increased due to concrete and water near north america
o the earth's mass has increased due to concrete and water near south africa
the earth's mass has increased due to concrete and water near india

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 would happen if the krill were removed from the food web

The smallest parts of these that retain their original properties are called