Answer:
d. meander scar
Explanation:
Meander scar is the name given to a stream that flows from a floodplain of a larger river. As it flows, it is possible to see this stream swaying tirelessly in all directions giving rise to a series of sinuous and regular curves, creating a watercourse. The meander scar can also originate from a floodplain that changes its channel within a valley.
30 °C is around the average temperature during summer
Theory is the correct answer. A scientific theory explains something about the natural world and can be tested via the scientific method to provide a reliable account of why something happens. If it has been suitably tested, it can be provisionally accepted by the scientific community.
What is it for tho. ?
Answer:
Water was necessary for growing crops.
The rivers provided transportation.
The seas allowed for trade with other civilizations.
Water was needed for raising animals.
Explanation:
All mentioned option except Water provided power for electricity are correct because of the simple reason that the electricity didn't existed in the 4th millennium BC when this first settlements were created. This settlements were created in the area between Egypt and Mesopotamia in the shape of crescent, thus we have that name. Of course, they needed water to crop, as agriculture was widespread, but the seas also allowed them trade, especially between Egypt and Mesopotamia.