Answer:
The answer is D!
Explanation:
"Genes are regions of DNA that carry the code for making proteins."
Answer:

Explanation:
1. Distance from epicentre
The average speed of P-waves is about 8 km/s.
(a) Convert minutes to seconds

(b) Calculate the distance

2. Time for S-wave
The average speed for an S-wave is about 3.45 km/s.

Answer:
A chemical formula tells us the elements included in the compound. The letters in the chemical formula represent different elements.