Answer:
It is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size.
The answer to your question is,
Seafloor spreading
-Mabel <3
C. A buildup of lactic acid in the tissues.
The answer to the question is (A.)
Answer:
Explanation:A mechanical wave requires an initial energy input. Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.
