When the frequency of light matches the natural frequency of molecules in a material, light is

A) absorbed.
B) transmitted.
C) reflected.
D) none of the above


A

Environmental & Atmospheric Sciences

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Using the letters associated with the diagrams above, diagram ___ illustrates regional metamorphism

a. A b. B c. C

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Why is the ocean salty?

A. Material from volcanos. B. Material from hydrothermal vents. C. Material from rivers. D. All of the above. E. None of the above.

Environmental & Atmospheric Sciences

Which of the following statements regarding nuclear energy is true?

A. Nearly all nuclear power plants worldwide are built far from water sources to prevent contamination. B. In a nuclear power plant, electricity is collected directly from electrons splitting off from fuel atoms. C. In a nuclear power plant, electricity is collected directly from the combination of electrons. D. The Pressurized Water Reactor and the Boiling Water Reactor are essentially the two main designs for a nuclear power plant. E. Decommissioning a nuclear power plant costs up to ten times as much as building it.

Environmental & Atmospheric Sciences

In the early 1990s, the Clean Water Act was reauthorized and strengthened to include important new wetlands-protection measures.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences