The method to increase friction is by i)polishing
ii)increasing roughness
iii)streamlining
iv)lubricanation

if u say right ans i will send. more point. if it wrong i will report

The answer would be a) -80of

Attach the free body diagram and i will you answer the question.! : d

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.

The density of the block of iron is lees than the density of mercury but the density of the block of iron is greater than the density of water