<span>b. nitrogen is your answer :)</span>
Answer:
The answer is C
Explanation:
After the invention of a plow and other tools less people were needed to complete the job.
Answer: Equator.
The line that goes from west to east, or side to side/is in the middle of the map horizontally, is the equator.
Answer:
Literacy rates are close to 100 percent.
Explanation:
Once sand<span> begins to pile up, ripples and </span>dunes<span> can form. Wind continues to move</span>sand<span> up to the top of the pile until the pile is so steep that it collapses under its own weight. The collapsing </span>sand<span> comes to rest when it reaches just the right steepness to keep the </span>dune<span> stable.</span>