If 4 liters of gaseous hydrogen combines with 2 liters of gaseous oxygen
and both are diatomic molecules, how many liters of gaseous water will be formed? Assume this occurs under conditions of constant temperature
and pressure.

A. 2L
B. 1L
C. 5L
4. 4L

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia