Define photosynthesis.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Development has provided electrically for less money but what may be considered a cause of nuclear power