Answer:
d is the correct answer
Explanation:
an ionic bond forms when positively charged metal ion attract to negatively charged ones
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Degradation means the wearing down of or slow lowering to a weaker position.
Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
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Inhaling through the nose
Marble and slate are examples of impermeable rocks.
