Which of the following was a discovery of edwin hubble?
a. the existence of other galaxies
b dark matter is causing the universe to contract
c. the universe is over 40 billion years old
d. the big bang theory.
e. electron degeneracy of stars

Which statements describe continental crust? select the three correct answers. a-it is formed in all parts of the continents. b-it is made mostly of volcanic rock. c-it is destroyed by melting near the top of the mantle. d-it is less than 10 km thick. e-its ages ranges from very young to more than 4 billion years old.

Ben can’t wrestle in this week’s match unless he loses two pounds. he decides to take a nap instead of exercising. this is an example of wasting time getting distracted allowing others to set goals

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