Non-renewable energy sources are sources that will run out in our lifetimes and for the following lifetimes. Coal is a non-renewable resource. It is a black or brownish rock that produces energy when burned. Oil is a non-renewable energy. Oil is a liquid fossil fuel. Oil can be access through drilling the earth’s crust or the ocean floor. Wood is a renewable resource. The seeds can be planted again to create more trees and obtain wood. Natural gas is a non-renewable resource. It is found a few hundred meters underground. It is mostly made up of methane.
Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.
The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.
An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil