1. One day, the two friends leave their cottage in a canoe. They travel 1.85 km
[W] and then 0.79 km [N] where they stop near a rock completely surrounded
by water
(3 marks - B2)

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

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions