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>
The answer is the last option because HIV is different in every person. HIV mostly never has visible signs so a blood test will be the best choice. Hope this helps!!