For the skeletal chemical equation C2H4(g) + O2(g) → CO2(g) + H2O(g)
what is the coefficient of C2H4 in the balanced
equation?

A. 4
B. 6
C. 8
D. 5
E. 1
F. 7

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.

have a great day because if you dont you and i will be sad

it is the most commonly accepted one