Answer:
Metamorphic rocks were once igneous or sedimentary rocks, but have been changed (metamorphosed) as a result of intense heat and/or pressure within the Earth's crust. They are crystalline and often have a “squashed” (foliated or banded) texture.
There is no picture for me to help you with
The television would be the best resource to use, as nearly every home in the developed cities has a television. The best way is to advertise during popular shows. The internet is also another way to put up a good campaign.
The square feet area of 32.1 is going to be 3.2 feet.
I would say that one reason is since developed countries are so advanced in every aspect...they have no time to reproduce, so there are no replacements for old people, hence the increase in the average population age.