True, cytosine is a purine base.
The answer would be "Behavior is modified as a cause"
<span>Context: The parts of something written or spoken that immediately precede and follow a word or passage and clarify its meaning.
In an example, if the sentence said "Can you stop disturbing me, I'm trying to study" you can probably use context to find the meaning of the word disturb, such as " I'm trying to study. this indicates that the person is bothering the one who is studying. YOU JUST USED CONTEXT!
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Answer: The food
Explanation: the independent variable is the one to be changed and in this case, it is the food
