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.
Bullying is when you say bad things to people but harassment is when you try to say things to people to make them be shy
D. doesn't lead to a productive end.
Answer:
D.choosing clothing that is appropriate for the environment and type of exercise
Explanation:
the other ones are a safety concern
this is the only one that is 100% safe
Answer:
Methylene chloride
Explanation:
this is a major one found in most paints
