Fact 1: Ozone depletion results in higher levels of UV radiation reaching Earth. Fact 2: Ozone is a form of oxygen that absorbs damaging UV radiation. Given the two facts above, what is ozone made of?
Possible answers:
a). oxygen;
b). gas;
c). dangerous;
d). Energy;
e). nitrogen;
f). emissions;
g). radiation;
h). hydrogen;
a).