An acid can be defined as a proton donor.
Plasmas are a lot like gases, they are made up of free electrons and ions of an element such as neon (Ne). You don't find naturally occurring plasmas too often when you walk around. They aren't things that happen regularly on Earth.
Answer:
The answer is B an open system allows energy and mass to move in and out of it
Hope it helps
The person is called a wildlife biologist.
