Answer: All of the above.
Not practicing hand washing or immunizations.
Improperly managed agricultural<span> activities contribute to environmental degradation. Two ways are:
1. </span><span>nutrients, pesticides, sediment, and bacteria, or by altering stream flow may impact surface water
2. Deforestation (the removal of forests on the Earth) - causes increase of carbon dioxide and climate change </span>
Answer: The answer is 4.1