What are the 4 things that causes phyical weathing?

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?