Alexa was asked to create a model that will demonstrate erosion. Below are her procedures and a diagram of her model.
Which option explains why Alexa chose to raise one end of the pan?

A. to make the demonstration visible to others

B. to model how erosion is used to form rivers

C. to show that erosion breaks down steep mountains

D. to represent how gravity contributes to the movement of soil

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.