2 What is a hypothesis?
OA.
a statement that summarizes the results of an experiment
OB.
a question that cannot be scientifically tested
OC.
a description of the steps involved in an experiment
OD
a statement that can be tested through a scientific investigation
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Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What is the approximate time of death of the body temperature is 29.4 degrees celsius

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes