Polyatomic ion: a covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
The phenomenon is known as the Greenhouse Effect.
When the sun's energy reaches the Earth, some is reflected into space, but the rest is absorbed by gases and warms the atmosphere. The phenomenon is known as the Greenhouse Effect.
Answer:
cytoplasm is found in both plant and animal cell.
Gamma rays and x-rays are both part of the electromagnetic spectrum.