<span>An ecosystem consists of a population of organisms and its
physical environment, and a population is made up of many different
communities of organisms. Every one of the creatures of similar species
living together that live in a particular biological system are known
as a populace The people in the populace contend with one another for
sustenance, settling space, and mates.</span>
No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
Answer:
a particle with a positive charge that is in the nucleus of an atom
Explanation:
Answer:
Freshwater biomes have less than 1% salt and are typical of ponds and lakes