Can someone help me solve this by Monday?

i think the answer is a and b

i wish you luck

1.195000

explanation:

total mass=0.0117+0.0137+0.0881+0.0111

total mass= 0.01172kg

total velocity = 0.283-0.743+0.871-0.799+0.155+0.637+0.301=0.102

momentum=mv=0.1172*0.102=1.195000//

answer///isobars;

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