Aperson drives north 6 blocks then drives west 6 the displacement is a striaght line from the starting point to the finish in a what direction

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Why is the use of carbon-14 limited

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.