Acold air mass moving into an area occupied by relatively warm air is called a(n):

In august 2012, tropical storm isaac formed in the caribbean and was headed for the gulf of mexico. there was an initial probability of .69 that isaac would become a hurricane by the time it reached the gulf of mexico (national hurricane center website, august 21, 2012). what was the probability that isaac would not become a hurricane but remain a tropical storm when it reached the gulf of mexico?

If a population is growing quickly in a small area then what must increase as well

Which age groups shows the graestest diferrence between males and females