The correct answers are:
D. hunted with stone-tipped spears;
B. hunted mastodon and woolly mammoth;
The paleo-Indians are the first people that lived in the Americas. These people were hunter-gatherers, and had relatively sophisticated hunting weapons for that time. They are known as the Clovis people.
In the territory of what is now Arkansas, in the prehistory, it is estimated that only around 100 to 150 people lived. They were migration as the animals they hunted migrated, so they did not built any permanent settlements. They hunted with very sharp, stone-tipped spears, and on their menu, it is thought, that the woolly mammoth and the mastodon were a regular meal.
Spanish colonizers introduced new staple crops to asia from the americas. including maize and sweet potatoes, contributing to asia's population growth
The difference between marginal cost and marginal revenue is Marginal cost is the money paid for producing one more unit of a good. Marginal revenue is the money earned from selling one more unit of a good. Thus the correct option is B.
<h3>What is the Marginal Revenue?</h3>
The difference in sales income or the additional income created by the seller when they produce and sell an extra unit of a good or service refers to marginal revenue.
When a change in the cost of production is observed when one additional unit of goods is being produced is refer as a marginal cost that appears from the additional output.
Therefore, option B is appropriate.
Learn more about Marginal cost, here:
brainly.com/question/7781429
#SPJ1
Dates vary slightly depending on which source yo read but
-Circa 1630 - 1521 BC
<span>-Circa 1600 - 1540 BC
</span>
<span>The Second Intermediate Period (c. 1600 - c. 1540 BC) </span>
<span>A series of weak rulers causes a new breakdown in centralized authority during the Second Intermediate Period (dynasties 14th, 15th, 16th and 17th.) The Hyksos from Asia took advantage of Egypt's internal conflicts. The Hyksos army used horses, chariots, body armor and new types of bronze weapons - none of which the Egyptians had. The Hyksos advanced military weaponry and the internal turmoil in Egypt allowed the Hyksos to conquer and rule Egypt for 160 years. </span>
<span>The Early New Kingdom (c. 1540 - 1300 BC) </span>
<span>The Egyptians learn to use the same weapons and warfare as their captors and eventually drive the Hyksos from the kingdom. </span>
The best option from the list would be "confederate," since this type of government creates a "loose" bond between states with a relatively "weak" central government.
