The chart shows data for four moving objects. Object Initial Velocity
(m/s)
W
11
X
10
Y
12
Z
20
Which object has the greatest acceleration?
Final Velocity
(m/s)
29
34
40
28
Change in
Time (s)
6
12
7
8
OW
OX.
OY
O z

the answer is c i did the same question so i know that's right!

compass can be used day and night, cloudy or sunny

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )