If glossopteris fossils were found in antarctica, what was the climate of this continent before

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

What is hydroelectric power produced by?

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