Question

1. Using your knowledge on personal care products, how does sunscreen
lotion protect your skin from the damaging effect of ultraviolet rays?
Explain why of x-rays and gamma rays are commonly used in
radiotherapy
2. Why do x-rays and gamma rays are commonly used in treating cancer
(radiotherapy)?
3. Suppose a 490 nm wavelength of light enters your eyes, what receptors
in retina of your eyes will be stimulated and what color will be perceived
by your eyes?​

Answer 1

Answer:

i don't know this answer

Answer 2

Answer:

oooooooooo hoooooooooo.