What type of mountains are the alaskan

Which organelle releases chemicals that break down large food particles into smaller ones?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis