Answer:
Example: If you want to explore the effect of salt on a plant growth, the control group would be a set of plants not exposed to salt, while the experimental group would recive the salt treament, so you answer is control group.
A describe the best main idea in this passage
B.
<span>Unemployment is high in many fields, but there are jobs available in telecommunications.
A comma is used when it is placed after the end of one independent clause and the beginning of another which follows one such clause. The two independent clauses must be joined with words known as co-ordinating conjunctions. Examples of such words are, but, and,or so etc.
In this sentence but is used, </span>preceded by a comma so it is the right one.
Answer:
After Mark's mechanical pencil ran out of lead, he asked Pete who sat next to him, if he could borrow a pencil. Pete yelled "No Mark, if you didn't come prepared then it is not my fault. Bring two pencils next time. You can't have mine or you will never learn your lesson!"
Explanation:
Mark is quite rude.
