AT, GC
Explanation:
Adenine (A) pairs with Thymine (T).
Guanine (G) pairs with Cytosine (C).
A - T
C - G
T - A
T - A
G - C
C - G
hope this helps you!
Answer:
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.
Explanation:
Hope this helped if so please leave a rating! :)
THANKS
I think A is the answer it makes the most sense to me