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erik [133]
3 years ago
14

This leads to other question. You have observed that older pennies

Biology
1 answer:
blondinia [14]3 years ago
3 0

Answer:

sorry i don't know this question answered

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D: aorta, coronary arteries, heart walls, coronary veins, lungs

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In a population of a beetle species, you notice that there is a 3 : 1 ratio of shiny to dull wing covers. does this ratio prove
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