D. They were exposed to the same agents of weathering.
Answer: option A - Nucleus
Explanation:
The Nucleus is a membrane-bound organelle. It has nuclear membrane, which consists of nuclear pores (made up of proteins) through which substances enter or leave the cell (RNA, proteins, etc)
Night blindness is caused by vitamin A
Answer:
The state of gathering together.
Explanation:
Concentration is a noun and it refer to the act of gatthering closely or the state of gathering together or condition of collecting things or substances together.
In biochemistry it can mean the measure of the ratio of mass to volume in a solute and ratio of mass to volume of a solvent in a solution.
The species is the smallest among all group; it has only one
kind of organism. Through to the system
developed by Linnaeus, each organism is given a two-part scientific name that
consists of a genus name and a specific name. The words used for scientific
names are from the Latin and Greek languages. They sometimes seem difficult to
read and even harder to pronounce. Since the different species of organisms
number in the millions, it is necessary for scientists around the world to have
a common language to be able to identify any organism with accuracy. As you
know, people in different countries have different names for organisms. This
naming system prevents confusion.
