Answer:
Wegner proposed the theory of Continental Drift (Pangea). Continental Drift is a theory that at one time, all of the continents were stuck together in this one giant land mass. They drifted apart slowly and formed into our modern day world. Hope this helps!
C. The area once had a warmer climate
Because the others are false:
A. A forest covered in snow will not result in fossilsed ferns as fossilization required vast periods of time
B. ^^
D. There isn't enough evidence provided in this question to support that prehistoric humans ate ancient ferns
Answer:
A
Explanation:
Gel electrophoresis is an amazing technique that allows for DNA separation based on size (as in, length). Using electricity (and keeping in mind that DNA has a negative charge because of the phosphate groups), the shortest pieces will migrate the farthest.
So we can tell that the pieces are in ascending order of size. 4>3>2>1, in length.
<u>A. Strand 1 is the smallest.</u>
Answer: Omnivore
Explanation: A Carnivore eats meat, an Herbivore eats plants, and an Omnivore eats both