a) Air sinks downwards in areas near the planet's equator. correct incorrect
b) Areas near the planet's equator experience constant low air pressure. correct incorrect
c) Air flows away from the planet's polar regions. correct incorrect
d) Warm and cold air currents converge near the 60th latitudes. correct incorrect

e) In the polar front, cold air is pushed below a mass of warm air. correct incorrect
f) A cyclone is formed when cold air moves to an area of warm air. correct incorrect
g) Cyclones often bring rains with them. correct incorrect
h) The winds of a cyclone move in a counterclockwise direction on the Northern Hemisphere. correct incorrect
i) The arrival of cyclones is difficult to predict. correct incorrect