Which of these types of waste is most likely to end up at a wastewater treatment plant?

A. Sanitary sewage waste from residential homes
B. Grass clippings and food scraps from residential homes
C. Medical sharps waste from a local hospital
D. Radioactive waste from a local power plant

ASAP

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.