Stratospheric ozone is formed naturally through the interaction of UV radiation with molecular oxygen.
not sure if this is what you want but hope it helps!!!
Protons but different number of neutrons are called isotopes
A physical change.
Physical change = can be reverted + doesn't change substance
Chemical = changes substance
Answer: - 0.75
Explanation:
For this question, you must remember that a fraction can be written of division.
So, -3/4 = -0.75, between -0.7 and -0.8 on the number line.
D. 2
Explanation:
To be balanced, the hydrogen and chlorine atoms are both 2 and 2 in the products side. Hence, we must add a two to the HCl in order to have 2 hydrogens and 2 chlorines in the reactants.
Hope this helps, brainliest would be appreciated :)
