Which of the following is an example of a pushing force changing the direction in which an object is moving ?
A. a push from the side on a moving merry-go-round
B. a push from the front on a moving toy car
C. a push from behind on a moving swing
D. all of these

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

What is the mass of the same rock on the earth

Idon’t quite understand this problem