Answer:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Explanation:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Hope this helps.
Answer:
do wants us to say a rock or something else?
Explanation:
Cancer would definitely need to be focussed on, air pollution is a known cause of cancer
No we are not all the same as although we all may have ambitions, goals, and dreams, they are not all going to be the same. We are not all equal and throughout the course of history, different communities of people have experienced different things. This is why we have diversity and different cultural values etc