B. I think that this is the answer. It seems to make the most sense
Answer:
Mercury has the shortest rotation, because it is the closest to the sun, and as such it makes a smaller circle of orbit around it.
hope this helps
Explanation:
Answer: B
Explanation:
Fracking sites release a toxic stew of air pollution that includes chemicals that can cause severe headaches, asthma symptoms, childhood leukemia, cardiac problems, and birth defects.
The fact that the Mayans were building great buildings in their period of existence, is a proof that they had a very big political power in the region, and not just political, but also military, economic, cultural power.
Only civilizations that are strong, well organized, and political powerhouses, have been able to build such big structures, because they had the conditions and time for it. For building such big structures, lot of wealth is needed, also lot of workers, and great engineers. The Mayans had it all. They had great engineers, the labor force was provided in general by the slaves, or by the the tribes that they were ruling over, and from all the tributes paid to them by the people they ruled over, they had surplus of wealth, which meant that they can perform such activities without damaging the empire.
The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)
