Answer:
here's is your answer buddy
Explanation:
it is called as an artificial ecosystem since it is man-made. ... It is evident that amongst a forest, a desert and an aquarium, the aquarium is not a natural ecosystem.
Answer:
<h3>I think this might help you</h3>
Explanation:
<h2> Pamela B. Zohar, M.S. in geology, +35 years work experience in exploration and mining geology. Mostly: silicon, oxygen, iron, calcium, sodium, potassium, magnesium...and a baker's dozen of lesser elements.</h2>
They need food from the people who produce it and the people who produce food need money from the buyers
