Oxygen is a pure substance, as it is composed of only a single kind of atom. Which is the oxygen atom, it cannot be broken or degraded down any further into constituents that make up the element. In terms of both chemically and physically.
No it will be a 10% of that balance so take 16 * 10% and then take that answer and divide bye 70%
Answer:
laws
Explanation:
in some areas and countries there is a limit on how many children someone can have, this would clearly regulate population growth.
hope I helped ;)
Answer:
drip drip water splash (gas)
Explanation:
