You didn't post the choices, but I have seen this question before. If your choices are:
<span>
A. Scientific Research
B. Imports
C. The Internet
D. Immigration
</span>
The answer will be C. The Internet.
Always make sure to post the possible answers to your questions if they are multiple choice. If you do not, we can not help you as well.
I know that question #4 is B.) Sun
The answer is number 2 because continental means dry maritime means wet polar is cold tropical means warm so if there are thunder storms then its wet so maritime and tropical because its in the summer so its maritime tropical