reactants because it had other chemicals, when more are mixed it will be more stronger.
It is the correct answer
Answer:
I learnt k,l,m
Explanation:
so 1-3periods have klm and after that klmn
Answer:
Ozone is a gas made up of three oxygen atoms (O3). It occurs naturally in small (trace) amounts in the upper atmosphere (the stratosphere). Ozone protects life on Earth from the Sun's ultraviolet (UV) radiation.