What is a pro to using petroleum? It does not create pollution
It is limited in amount
Non-renewable

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?

What is the border between layers a through f and layer g called?