The correct answer is C. Metasearch engine.
Explanation: The metasearch engine is a specialty search engine that allows users to search several search engines simultaneously. This search engine is able to search in a parallel, and is more efficient than searching separate engines manually.
I believe part A. is C. and part B would be A. or D. Sorry if this doesn't help
Answer:
C. Even though it takes more time, we should recycle.
Explanation:
dependent clause + independent clause
