Explain the two primary ways to solve problems: algorithms and heuristics.

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

What type of graph presents information about how often certain or traits occur?