What must scientists look for in their experiment or their data to make sure it is accurate?
O A. Hypotheses
OB. Observations
OC. Dependent variables
O
D. Sources of error
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If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse