The correct answer is:
An understanding of the number and size of leftover planetesimals in the early solar system.
The giant-impact hypothesis proposes that the Moon was created out of what was left of a collision between Earth and an astronomical body the size of Mars, around 4.5 billion years ago, in the Hadean eon. The heavy bombardment was a period when leftover planetesimals hit planets during the solar system's first hundred million years.
Answer:
Mali
Explanation:
Timbuktu is a city located in the very center of Mali. This city is being invaded by the Sahara desert and does not have an aesthetic splendor, despite being on the list of UNESCO as a world heritage site because of its historical importance as one of the evidences of the malic empire.
Mali, meanwhile, is an African country located in West Africa bordering Algeria, Niger, Mauritania, Senegal, the Ivory Coast, Guinea and Burkina Faso.
Answer: The northwest passage
Explanation: in the 1500s through the 1600s explores were looking for a passage through north America to Asia
Answer:
September 4, 1957
Explanation:
The Little Rock Nine arrived for the first day of school at Central High on September 4, 1957. Eight of them arrived together. However, one of them, Elizabeth Eckford, didn't have a family phone and ended up arriving alone.
However, the Arkansas National Guard was called and they prevented the students fro entering school, under the orders of Governor Faubus.
The right answer is B. The Catholic Monarchs supported Columbus in his project to reach Asia, allowing him to make four trips (in 1492, 1493, 1498 and 1502). In the first one of them he arrived not to India (as he expected) but to the island of Guanahani, in the Bahamas. In addition, they granted him a certain number of privileges, such as the title of Admiral, Governor and Viceroy of the Indies, and a percentage of the riches he found.