Janice uses 35 N of force to push a lawn mower 21 meters. How much work does she do

What is the name of the two satelites on mars

Someone me with this: a mineral' is determined by its actomic structure.

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity