What is the difference between sewage and wastewater?
A) Wastewater is sewage that has been fully processed in a sewage treatment plant to remove all solids and pathogens.
B) Sewage and wastewater are synonymous.
C) Sewage is wastewater that contains urine and feces and other wastes from households, but wastewater also includes stormwater and water contaminated from agricultural and industrial processes.
D) Wastewater does not contain the toilet paper and human water-borne wastes that are found in sewage.
C
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The most serious drawback to fuel cells is the expense of providing an oxygen source.
Answer the following statement true (T) or false (F)
According to the scientific method, a prediction
A) is a logical consequence that follows from the hypothesis B) leads to a hypothesis C) may not be made until an experiment has been performed D) always refers to something that will occur in the future
A team of scientists has discovered an Earth-sized planet orbiting the star Epsilon Eridani, about 10.5 light-years from Earth. After careful calculation, the scientists estimate that the new planet has a stronger gravity field than Earth. Based upon this information, which of the following is the most reasonable hypothesis for the scientists to make about the new planet?
A. The new planet has liquid water. B. The new planet has a thicker atmosphere compared to Earth. C. The new planet has a stronger magnetic field compared to Earth. D. The new planet receives more solar insolation from its parent star compared to Earth.
A(n) ________ of coastal marshes is the prevention of coastal erosion
Fill in the blank(s) with correct word