Explain how and why natural selection has allowed species such as sharks and alligators to remain genetically stable for thousands of years

Liquid water turns into water vapor at which step in the water cycle

How many cells are our body made of ? ♡

Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic