Answer is A A velocity vs. time graph for an object is shown.
Which parts of the graph represents the object
moving at a constant, positive acceleration?
Velocity vs Time
O W and X
25
0 X and Y
20
Y
Y and Z
15
W and Z
Velocity (m/s)
10
Z
W
5
0
0
1
2.
3 4
5
Time (s)

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explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.