Classify the energy sources as renewable or nonrenewable. energy obtained from water
springs inside the Earth
energy obtained
from natural gas

energy obtained
from coal
energy obtained from
burning plant waste

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What are the four basic classes of organic molecules how do they differ structurally and functionally

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.