The initial high-temperature, high-density state from which time starts is known as the ___________
Fill in the blank(s) with correct word
big bang
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We now know that photosynthesis is not the only energy mechanism that life can use to supply it with energy
Indicate whether the statement is true or false
Whereas impulse involves the time that a force acts, work involves the
A) distance that a force acts. B) time and distance that a force acts. C) acceleration that a force produces.
A carbon-detonation supernova starts out as a white dwarf in a close binary system
Indicate whether the statement is true or false
You are holding on to one end of a long string that is fastened to a rigid steel light pole. After producing a wave pulse that was 5 mm high and 4 cm wide, you want to produce a pulse that is 4 cm wide but 7 mm high. You must move your hand up and down once,
A. the same distance up as before, but take a shorter time. B. the same distance up as before, but take a longer time. C. a smaller distance up, but take a shorter time. D. a greater distance up, but take a longer time. E. a greater distance up, but take the same time.