Answer:
A. The light waves squeeze together increasing wavelength
Explanation:
Answer: i need this answer also
Explanation:
Answer:
I'm pretty sure the first one is c. The second one is b.
Explanation:
Flu vaccination can help you from getting sick with flu. Vaccine reduces the risk of infection by working with body’s natural defenses to help them safely develop immunity to diseases. If you get sick, flu vaccine will make your illness milder.
