Mostly like option C. (it has more energy ) would be your answer for this question
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D) The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction.
<span>Answer: B) Low tide
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<span>There are two types of tides created by the gravitational
force of the moon: the high and the low. The one which occurs when a coastline
is within a tidal bulge is the low tide. Coastal areas experience two high and
two low tides every lunar day and it takes six hours and 12.5 minutes for the
water at the shore to go from high to low, or from low to high.</span>
By using microscopes scientists were able to discover the existence of microorganisms, study the structure of cells, and see the smallest parts of plants, animals, and fungi.