I would have to go with Sewage mostly because it smells and because it can really hurt the environment. Plants can die and it just is gross to smell. So this would definitely pollute the earth. I hope this helped! :D
1. Use less water.
2. Thrift shop.
3. Use renewable energy
4. Compost
5. Recycle
If it follows the same pattern shown on the data table then the aproximate distance for a galaxy that has a velocity of 30000 km/s would be 1960 million light years and would be between the galaxy C and galaxy D.
