If you are going skiing do you need high or low friction and why?

How many miles of water are produced if 5.43 mol pbo2 are consumed

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?