Answer:
1 2 and 3
Explanation:
Because it is like a food chain without the bacteria or woms many animals would be out of food.
A ph of 5 is acidic because anything lower than a ph of 7 is considered acidic anything above ph 7 is basic
All of the above.
They can be prevented, especially Polio.
Smallpox is common in children, but potentially deadly in baby's.
Influenza is the flu.
Answer:
Littering
Explanation:
People dispose little anyhow and anywhere
Answer:
True
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