What happens when blood is exposed to air?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

What happens to the average kinetic energy of water molecules as water freezes?