Answer:
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Explanation:
Answer:
She has not practiced
Explanation:
Rhonda has not practiced her tumbling everyday which may have cause Rhonda to not improve the way she does tumbling, practice make perfect.
Answer:
The receptors are like locks and the keys to open these locks are the odor molecules that float past, explains Leslie Vosshall, a scientist who studies olfaction at Rockefeller University. People have about 450 different types of olfactory receptors.
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