It impactes the tides becouse of the Moons Refction and the rotion causes the moons reflitaion to be the moons refliction of gravitional force
We are learning this now
I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
They are identical because they are made up of the same materials. we had one cell to begin with, and it didn't so much as clone itself, but split in half to creat 2 daughter cells. ther have the same plasma, same organelles, and most importantly, the same dna in their chromosomes so that when they grow, they grow exactly the same way.