D. a viral disease because it is known and unknown and spreads.
The amount of carbondioxide in the atmosphere would greatly increase if there were fewer plants.
(Plants) is the answer.
Answer: The structure and curvature of the Earth results in beams of sunlight glancing off the equator and reaching other areas of the Earth. This means that the areas at the equator receive more energy as the sun's rays hit them directly. :)
Answer:
It is a change from one form to another. Or unit to another
These viral particles, also known as virions, consist of two or three parts: the genetic material made from either DNA or RNA, long molecules that carry genetic information, a protein coat, called the capsid, which surrounds and protects the genetic material.