What is Viscosity and what is oxidation

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.