Answer:
<em>Natural resources are materials from the Earth that are used to support life and meet people's needs... Examples - oil, coal, sand.. Etc</em>
I believe b is the correct answer
Answer:
Population- This is why we refer to the amount of people in an area as the area's population
New technology drive progress in many research fields,including cell biology.
The answer is the option "c"
The eruptions are caused by an accumulation of gases that press under a volcano.
The molten rock continues to generate upward pressure but can not advanced; this causes that its force increases with the passage of time, since it continues accumulating hot gases trying to come to the surface.
Finally, the surface yields and a volcanic eruption occurs.
