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

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red, target shaped, rash on his arm. to avoid this illness, andrew should have select one: a. boiled his water before drinking. b. avoided contact with ticks. c. avoided contact with fleas found on mice. d. camped only in the spring.