Hudson and Montoya Coal Company Inc. has an electrostatic precipitator that is no longer functioning properly. If it is not fixed which law are they in danger of violating? Which act is it?

A. Superfund act
b. Nuclear Waste policy act
c. Clean air act
d. Clean water act

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes