Explaining how activities in your personal life are controlled by (or are similar/analogous to) specific organ systems.

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

An easy way to calculate the amount of energy available at each level is to what?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?