nitrogen comes from an air that is called fractional distillation.
<h3>Natural selection:-</h3>
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.This variation means that some individuals have traits better suited to the environment than others.
<h3>Evolution occur in natural selection:-</h3>
Through this process of natural selection, favorable traits are transmitted through generations. Natural selection can lead to speciation, where one species gives rise to a new and distinctly different species. It is one of the processes that drives evolution and helps to explain the diversity of life on Earth.
<h3>hope it will help u in understanding..</h3>
Answer:
Pedigree.
Explanation:
Pedigree analysis may be defined as the the method to determnine the family history of a particular trait. The pedigree is important to determine the disease and its inheritance pattern.
The pedigree allows the trace of the inheritance of a particular trait over several generations. The pedigree analysis determines the individual as a carrier of the trait.
Thus, the correct answer is option (B).
Answer:
The Earth is made up of many rocky layers. .
Explanation:
The solid, outer layer is called the crust. Below the crust lies a layer of very hot, almost solid rock called the mantle