What episode wiped out many insect species in the world?
a.
deposition
c.
permian extinction
b.
mesozoic
d.
pangea

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

What are two different ways you could find the value of a? explain these methods.