If a population pyramid has a wider top than bottom, what does this mean? More people are elderly, and the population will decline.
Not many people are living to old age.
The younger population is growing rapidly.
More people are aged 0-4.

Most of earths fresh surface water is found in

What forms of energy are involved when snow on a mountain breaks loose, resulting in an avalanche? during an avalanche, the( 1 ) energy of the snow on the mountain is converted into ( 2 ) energy as the snow cascades down. ( 1 ) a. elastic b. kinetic c. potential d. radiant ( 2 ) a. chemical b. kinetic c. nuclear d. potential

How many time zone are there on earth