Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Answer:
a. on the earth’s surface where the initial release of seismic energy occurs.
Explanation:
D would be the most reasonable answer.
Triangular trade refers to the three legs of the trade system. -The first leg was the of trade was from Europe to Africa where goods were exchanged for slaves. -The second or middleleg of the trade was the transportation of slaves to the Americas
<span>A tsunami can occur when there is vertical movement at a fault under the ocean floor.</span>
