First of all, it needs a deposit of carbon. Then, mass amounts of pressure and heat will be applied to the deposit. Over time, the carbon turns into a crystal which is either burst out of a volcano or remains under the ground.
Much more because you have a weather nation over the other.
Answer:
1. Iterative homology: e.g. antenna and leg of fiddler crab
2. Ontogenetic homology: e.g. radular teeth of veliger, feathers of chicken and hen
3. Di-polymorphic homology: e.g. white and brown feathers of hen races, chelae of male and female of fiddler crabs
4. Supraspecific: e.g. chelae of fiddler crab, chelae of lobster, feathers of hen and pheasant
Explanation:
The roots need all the water it can get but sense theres water in the ground it already has water which transports water to the leaves