Metals are both good heat and electrical conductors due to
A. relatively high densities of metals.
B. high elasticity of metals.
C. looseness of outer electrons in metal atoms.
D. similar thermal and electrical conductive properties.
Answer: C
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In the above diagram, which atom behaves as the oxidizing agent, the lighter colored atom or the darker colored atom?
A. The darker colored atom behaves as the oxidizing agent. B. Neither of the atoms behaves as the oxidizing agent. C. The lighter colored atom behaves as the oxidizing agent. D. Both atoms behave as the oxidizing agent.
If the Earth was in a cooling trend, which of the following processes would most likely act as a positive feedback mechanism?
A. increasing the snow cover around the Earth B. increasing the water vapour content of the air C. decreasing the amount of cloud cover around the Earth D. increasing the carbon dioxide content of the air
Which of the following products is difficult to recycle, clogs sewer pipes, and kills thousands of marine mammals and turtles every year?
A) Aluminum and steel cans B) Plastic bottles C) Glass containers D) Thin plastic grocery bags
Which lobe of your brain are you using when you answer this question?
What will be an ideal response?