One immediate cause of a decrease in the rate of photosynthesis is a reduction in the availability of A carbon dioxide
B.
carbon monoxide
Chydrogen
D. nitrogen

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

How does friction with the atmosphere affect the speed of an artificial satellite

Do you think the gene eef1 alpha1 supports cell theory? explain your response.