If the ratio is 9:2 that means that 45 would by ñ times 9. At the same time, ñ must also fit the ratio. Using this knowledge, you can divide 45 by 9, giving you 5, then multiply it by 2. This means that the child is 10 years old.
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<span>The near extinction of many bird species was caused by:
Answer: </span>
<span> use of DDT
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I think it the answer is C ( The relationship between the bacteria and the ticks is commensalism, and the relationship between ticks and humans is parasitism.
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The answer is
<span>B.They help produce plasma cells.
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Answer: A decrease in resources and loss of habitat
Explanation:
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