contestada

Based on the passage, what can be concluded about the ability of humans to see Xrays and gamma rays?

A. Humans cannot see X-rays and gamma rays.

B. Humans can see X-rays and gamma rays.

C. Humans can see X-rays but not gamma rays.

D. Humans can see gamma rays but not X-rays.

a
Humans cannot see X-rays and gamma rays.
b
Humans can see X-rays but not gamma rays.
c
Humans can see X-rays and gamma rays.
d
Humans can see gamma rays but not X-rays.