Your question is incomplete because you have not provided the underlined portion, which is:
<u>teeth. The reasons behind this dental decision remain unclear.</u>
Answer:
C teeth, but the reasons behind this dental decision remain unclear.
Explanation:
The second clause must provide contrast because both sentences have opposing ideas, so to join them, it is proper to introduce opposition with a coordinating conjunction like <em>but</em>.
The rest of the alternatives are incorrect because A does not involve disparity, B introduces consequence instead of contrast, and D repeats the word <em>archealogists</em>, which is already mentioned in the first clause.
The most accurate summary of Kaku's argument is that the rapid success of Netscape's launch is proof that there is a demand for Internet directories.
Kaku realizes that Internet directories, such as Cloud or One Drive, are becoming more and more important and sought-after, because people are sick of having to store everything on their computers, when it can exist in a virtual space online.
May i ask what answer did you choose for question 3 so i can answer this question?
Answer: D, Correct use of formal language.
Explanation: I was correct the first time, when writing an essay using correct use of language is extremley important.
Hope this helped plz mark brainlest
