Nutrients move through<span> the </span>ecosystem<span> in biogeochemical cycles. A biogeochemical cycle is a circuit/pathway by which a chemical element </span>moves through<span> the </span>biotic<span> and the </span>abiotic factors of an ecosystem. It is inclusive of thebiotic factors<span>, or living organisms, rocks, air, water, and chemicals.</span>
A major disadvantage of artificial classifications is that they have little predictive value; arbitrarily selected properties do not necessarily correlate well with each other. This generally means that they are of little use for purposes other than that for which they were designed.
Answer:
H2O
Explanation:
Water molecule is made of 2 hydrogen atoms bonded with covalent union (sharing electrons) with 1 oxigen molecule
<span>Because to determine a scientific fact you follow a process called the scientific method.Hope this helps!!</span>
Answer:
Explanation:
In the upper thermosphere, atomic oxygen (O), atomic nitrogen (N), and helium (He) are the main components of air.
