the major difference between a cell that responds to a signal and one that does not is the presence of a

the answer is sex-linked recessive.

which fault and or fold did you find most difficult to diagram

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

answer is d hope this