Which of the following is a convection from chemical energy and thermal energy
A. coal is burned to heat water
B. All of the options are correct
C. charcoal is burned in a barbecue pit
D. food is digested and used to regulate body temperatures

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.