Scientist, a fact is something that can be tested by anyone with the proper skill and equipment, and that repeatedly and reliably gives the same result every time. A scientific theory is a body of knowledge based on facts that describes their interaction in the simplest possible way
The sun is not a living thing. It is made up of gases, such as hydrogen and helium, rather than living cells, which are present in all forms of life
Answer:
Researchers need a lot of data to monitor a species population because the environment is very diverse in types of species found at different places .
What happens to one part of it could affect the population of other animals, humans, and may also effect the ecosystem of that certain environmental region .
Photosystems 1 and 2 are here
