which organ is responsible for the release of sodium bicarbonate, a chemical needed to neutralize stomach acid?

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

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

How can an organ, such as the lungs, work for multiple body systems?