The correct answers of this question is options A and C. Types of context clues are direct explanation or variation, and restatement or synonym. Context clues are hints that a writer gives to explain a difficult word. Other types are antonyms, interference and punctuation.
Answer:
B
Explanation:
This involves selectively breeding two or more populations of a species or subspecies with desirable traits that are wanted by the humans. The offspring of the populations will bear the desired traits from the population. Breeding can be done over generations. An example is the breeding a cattle population that is resistant to drought and another that produces more milk. The filial generations will bear both traits.
<span>B) He noticed four-fifths of the air had been used up. If by air this question is referring to oxygen, the fact that it has been used up means it has reacted, mean a substance has combusted.</span>
The same.
If one cell divides into 2, and they are one cell organisms, that it is also reproduction.