Answer:
They maintained good farmland by managing the rivers.
Explanation:
because I just took the test hope this helps
Answer: It would take you about 19 years to reach the Sun.
Explanation: Sun is about 8.3 light minutes from the Earth. This means it would take 8.3 minutes for light to reach from the Surface of the Sun to reach the Earth. If you are traveling in a Jumbo Jet , it would take you about 19 years to reach the Sun
Perhaps the composite cone volcanoes