The two conditions required for thunderstorms are:
1 warm, dry air and lightning
2 cold front lifting warm, moist air
3 rapidly sinking cold air
4 rapidly rising air heated from ground

Fertility and mortality rates are higher in more developed nations.

At which boundary does subduction stop occurring, resulting in a mountain range?

How have ethnic groups shaped the population in central america and the caribbean? how has migration shaped the population in central america and the caribbean? how has small land areas shaped population in central america and the caribbean? how has a rapid population growth shaped the population in central america and the caribbean?