Where does the organic material in soil originate? a. Physical weathering b. Chemical weathering c. Decomposing plant and animal matter d. The atmosphere Please select the best answer from the choices provided A B C D.

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine.digestive processes break nutrients down in the mouth, stomach, and small intestine.blood is pumped through the circulatory system to deliver nutrients to other organs.nutrients are ingested at the mouth.nutrients enter the capillaries of the circulatory system. sequence

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?