Answer:mechanical advantage of a wheel and axle is the ratio of the radius of the wheel to the radius of the axle in the absence of friction
Explanation:
The mechanical advantage of a wheel and axle is equal to the ratio of the radius of the wheel to the radius of the axle in the absence of friction
B I believe is the answer!
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-- Earth's average distance from the sun is about 93 million miles.
-- Mars' average distance around the sun is about 142 million miles.
-- So, as both planets travel in their orbits around the sun, the distance
between them changes, between (142 - 93) = about 49 million miles
and (142 + 93) = about 235 million miles.
When selecting an activity you are always looking to learn new skills from that activity and improve on them
For example
If you participated in a cooking activity you will always be looking to learn cooking skills and abilities.