Which potential source of water pollution is a nonpoint source? Sewage treatment plant Electric power plant Active or inactive coal mine Logged forest O Factory

Prior to better regulatory control of metal release into domesticwastewater systems, crown corrosion of sewer tiles was less ofa problem. Why?

Depending on the type of environment that runoff travels through, the water may pick up beneficial or hazardous things. Describe an environment in which something is added to the water that has a positive effect on the watershed, then describe another environment in which something is added to the water that has a negative effect on the watershed.

1. Could u pls discussed about the water pollutants and Summarize the details 2. discussed about air pollutants and Summarize the details

Which of the following events would be most likely to contribute to increased phosphorus flow into Lake Erie? a heavy spring rainstorm that increased river flow volumes a tornado that formed near Lake Erie a major volcanic eruption in Central America a drought that lasted several weeks a wild fire along the Lake Erie shoreline

A pond is found to contain high levels of nitrates & phosphates. What is the most Ilikely source of these chemicals? O urban runoff O agricultural runoff O coal power plant O wastewater treatment plant

Describe how many of your everyday activities, including your demands for food and other materials, add pollution to the water cycle or alter it in other ways. How can you be a better steward with your water consumption?"

Describe several categories of pollution that are becoming ever more serious problems.

In many less-developed countries, much of the municipal solid waste ends up _ being incinerated for energy production in sanitary landfills in recycling facilities being shipped to more-developed countries O in open dumps

Ic CRITICAL THINKING 1. Two arctic marine mammals that live in the same waters differ in the level of pollutants in their bodies. Bowhead whales have a lower pollutant load than ringed seals. What are some factors that might explain this difference? 2. In one seaside community in New Jersey, the U.S. Fish and Wildlife Service suggested trapping and removing feral cats (domestic cats that live in the wild). The goal was to protect some endangered wild birds (plovers) that nested on the town's beaches. Many residents were angered by the proposal, arguing that the cats have as much right to be there as the birds. Do you agree? Why or why not? 3. In some areas, the barrier built to prevert uncontrolled movement of people across the border oetween the United States and Mexico consists of miles of 6-meter- tall steel beams placed four inches apart. Discuss the ecological effects of such a barrier. What types of organ- isms would be most adversely affected by this habitat fragmentation? 4.…