Answer:
A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. For example, water (H2O) is a compound consisting of two hydrogen atoms bonded to an oxygen atom.
Explanation:
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A) Transcription makes RNA from DNA, translation turns RNA into proteins.
Radiometric dating reveals the exact (i think its exact) age of a fossil.
Answer:
The reactions that occur when acid rain hits a brick building
Explanation:
The passage mentions what a biochemical process is, biochemistry combines chemistry and biology. With this alone, we know that acid rain is apart of biology, and the reaction is has on a building is chemistry.
The most common tree in that continent is one that's named "floss silk". It's classified as a tropical tree so we could say that most of South America is covered in tropical trees.
Have a nice day! :)
