Charina says that when waves interact with an object, they will interfere with the object and that when waves interact with other waves, they will reflect off each other. Do you agree with her? Why or why not?

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

not too sure thinking all accelerations are pointed down

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;