If multiple answers are allowed, the answers would be:
A. Many people are now immunized.
B. More is known about the importance of sanitation and hygiene.
And C. Vaccines have been developed.
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Answer: No
Explanation: The ocean floor might be a little younger than the earth because The earth had to form its self first and then on the inside everything else
Answer:
Human Deforestation
It's a necessary evil. But deforestation is undeniably harming our environment by contributing to climate change. Forests are very important, because they influence climate through exchanges of energy, water, carbon dioxide, and other chemical species with the atmosphere
Explanation:
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A. collapsing dust clouds
Answer is 805 add 320,260,225
