Question

Why does prolonged exposure to UV light from the sun or tanning beds increase the risk for getting skin cancer?
A. increased exposure to UV light decreases the risk of a mutation occurring
B. increased exposure to UV light increases the risk of a mutation occurring
C. increased exposure to UV light decreases the immune system function
D. increased exposure to UV light has no effect on the risk for getting skin cancer

Answer 1

prolonged exposure to UV causes thymine dimers. so what do you think is the answer..?

Answer 2

@bremarieee ..can you make out the answer now?

Answer 3

B?

Answer 4

ya..u r right dear