One of the 4 nucleic acids that make up dna. It is purine derived & pairs with thymine.
The answer to this would be D: physical components of the environment, such as rocks and sand. The word "biotic" mean all the living organisms within an ecosystem such as plants and animals.
Answer:
C. Metalloid
Explanation:
<h3>I believe that's the answer, correct me if I'm wrong. </h3>
I think it would be either A or B but I am not sure.... If anything I think I would go with A.
Hope this helps
All of them!
Composite subatomic particles (such as protons or atomic nuclei) are bound states of two or more elementary particles. For example, a proton<span> is made of two up </span>quarks<span> and one down quark, while the atomic nucleus of </span>helium-4<span> is composed of two protons and two </span><span>neutrons</span>
