D ...................im pretty sure. if im wrong , tell me the correct answer
Air pollution is usually with all the smoke from using fossil fuels, I would try not using them as much. Water pollution is usually from oil spills and garbage littered in water sources. Land pollution is a lot from landfills, we are using so much garbage it takes lots of landfills to hold them, I would start by recycling my recyclable products and using recycled products. {{{BTW this is not good 2 paragraphs, use more evidence and details and add more this is just some good ideas}}}
Depends on how fast he runs in a sitting. If he runs slow during the 20 minutes he isn't getting much done :D.
Some bacteria can fight other harmful bacteria’s and some bacteria’s are harmful to the body.
