The world has more nuclear bombs now then it's ever had before.
a. True
b. False

true

Explanation:

If even a few of the worlds most potent bombs were to be launched, the world would end very quickly.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

if you mean hydrogen and oxygen then water is the product