1. Which countries in East Africa have high temperatures for much of the year?

What acceleration is produced when a 3,000-n force acts on a 1,200-kg car? ignore the friction

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

The process by which liquid water changes into water vapour is called what ?