The scientific estimate for earth's age is years.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

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

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?