Answer:
geomorphic
Explanation:
Geomorphic Process - The process responsible for the formation and alteration of the earth's surface. The physical and chemical interactions between the earth's surface and the natural forces acting upon it to produce landforms.
Answer:
Peer pressure and other things sometimes can make it hard for someone to decide to practice abstinence.
Explanation:
About 74% of earth's surface is covered by water.
<h2>Answer:</h2>
<u>Natural gas is indoor pollutant</u>
<h2>Explanation:</h2>
From the options given above smog and vehicle exhaust are outdoor pollutants. Oxygen is not a pollutant at all. The only option left is natural gas. When we cook food or use heaters we use natural gas so the burning of natural gas pollutes the indoor environment that is why we can say that natural gas is indoor pollutants.
