Which of these is a form of stress that can occur in mountain building? A. tension B. compression C. both a. and b.

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

Examine the air pressure map. which type of line is shown on the map?

Which of the following would you not find in a bacterial cell? dna cell membrane golgi apparatus ribosomes