Answer:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Explanation:
I hope this helps :) Thank you. Plz mark brainliest.
Hydroxidate and phosfate is 2 items
Its the straight segment C because its position is not going up or down, so it is not moving.
N2 + 3H2 -----> 2NH3
3 mol 2 mol
When 3 mol H2 react completely 2 mol NH3 are formed.