what is the purpose of the details in the paragraph? to develop the central idea of the principles of friction to establish the importance of learning higher-level science to describe students’ cars to help readers visualize them to explain the importance of the students’ creations

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

In a cooking context,which of the following materials is the best heat conducter?

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services