**! need 1. coal, a nonrenewable resource, is the most abundant fossil fuel produced in the united states. although environmental laws and modern technologies have reduced the impact on the environment from the production of coal, coal mining continues to disrupt nearby aquatic ecosystems. high concentrations of toxins and heavy metals can be carried as run-off into nearby ponds and streams. how would this affect the sustainability of the aquatic habitat? a) it could kill off any animals, such as fish, that live exclusively in the pond. b) the heavy metals and toxins will only effect the top predators of the food web. c) because heavy metals and toxins are not lethal to plants, it will not effect the habitat. d) the heavy metals and toxins could affect the food web and reduce biodiversity. 2. there are many positive and negative aspects associated with nuclear power. which is a negative aspect associated with nuclear power? a) nuclear power is a renewable energy source. b) nuclear power does not contribute to the greenhouse effect. c) it is more efficient than other methods of energy production. d) exposure to radiation can lead to disease or genetic abnormalities. 3. most of the wood used for fuel comes from native forests around the world. the harvesting of wood for an energy source has serious environmental implications. identify the environmental concerns of harvesting wood. a) soil erosion b) cost of harvesting c) habitat destruction d) habitat destruction and soil erosion