Answer:
B
Explanation:
Proofreading" the new DNA strands in
DNA replication
pls follow me!
periodic motion is used to measure <u>the interval of time</u><u>.</u>
<u>hope</u><u> </u><u>it</u><u> </u><u>helps</u><u> </u>
The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.