D. Were nomads who hunted and gathered
Answer:
nitrogen gas and oxygen gas.
Explanation:
78% of earths atmosphere is made up of nitrogen and 21% is made up of oxygen.
Industrial development resulting in pollution.
1.weathered materials from rocks and transported to the beach through wind and rivers
2.from rocks weathering and eroding over thousands and millions of years.
Answer:
I am doing good today. How are you doing.
Explanation:
