What unit do scientists use to measure the distance to stars?
A.
light year

B.
astronomical unit

C.
kilometer

D.
mile

B. astronomical unit is the answer

that tool would be a compass

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )