Which are sources of water pollution ? check all that apply •solid waste accumulation at a lamdfill •black smoke released from a large truck •chemical waste discharged from an oil refinery •pesticide runoff after spraying crops on a rainy day •hazardous waste discharge from a treatment plant

Should basketball replace baseball as americans national pastime?

To your family you want to buy a quality hand washing product. what are 4 strategies you woulld use

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv