"The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top."
Oldest to youngest: Layer B, Layer C, Layer A
The oldest is always at the bottom, the youngest layer is at the top
Answer:
C. thymine
Explanation:
Adenine pairs with thymine in DNA and pairs with uracil in RNA.
Hope it helps.
This is put together perfectly.
Answer:
b. the ocean regulates climate
Explanation:
