A 200 g block of a substance requires 1.84 kJ of heat to raise its temperature from 25 C to 45 C. What is the substance?

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.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .