You are right, "D" is the correct answer.
I hope this helped you.
Brainliest answer is always appreciated.
Answer:
The Great Plains undergo changes from one year to another. These changes are determined by the production of floods, the accumulation of sediments or changes made by man (dams, construction of dams, gravel pits).
The Rocky Mountains shrunk annually. External factors (water, air, wind, freeze-thaw process) cause changes in the structure of the rocks and so there are changes in the mountain landscape.
The answer is d I took the test
Answer:
A characteristic of the Woodland and Mississippian cultures was the earthen mounds.
Explanation:
The Woodland and Mississippian cultures were the most advanced cultures in what is now the USA. They had well-developed civilizations in comparison to the people groups in their surroundings. Their trademark though was the construction of earthen mounds that are found all over the territories in which the two cultures existed.
The earthen mounds, as the name suggests, are mounds made out of the ground. They vary in size, from just a few meters to hundreds of meters. Their shapes too vary, with some being in a semi-circular shape, some like bulges, while some even like snakes. The purpose of these mounds is still a theme of hot debate, but it is most commonly thought that they had religious purposes.
In the theory of natural selection, organisms produce more offspring that are able to survive in their environment
Explanation:
