At what point do tornadoes usually form? a) where two cold fronts meets at obtuse angles b) where a warm, dry air mass meets a cold, moist air mass c)where a cold , dry air mass meets a warm ,moist air mass d) where two warm air masses meet

Less developed nations have low literacy rates. true or false

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.

Canada must balance the economic opportunities offered by its natural resources with the need to maintain links to the united states maintain high tariffs preserve the environment protect its borders