If you eat metallic sodium or inhale chlorine gas, you stand a strong chance of dying. Let these two elements react with each other, however, and you can safely sprinkle the compound on your popcorn for better taste. What is going on?
A) After these two elements react, they lose the potential energy to cause harm.
B) All elements are inherently dangerous.
C) Sodium and chlorine from the elemental form is more concentrated than the sodium and chlorine we get from sodium chloride.
D) Sodium chloride has nothing in common with sodium and chlorine.
D
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If a column of air is heated, it will:
A) have a lower pressure at its base. B) become more dense. C) have a smaller vertical pressure gradient. D) contract.
Which of the following is NOT closely related to ENSO?
A) Europe B) South Pacific Ocean conditions C) La Niña D) The Southern Oscillation E) El Niño
A cP air mass moves southward from Chicago to New Orleans. Which of the following is most likely to occur?
A) The air mass would become drier. B) The air mass would moderate. C) The sea level pressure would rise. D) The wind would blow from the south.
True or False: Geologic topics impact virtually every aspect of our daily lives, including such diverse issues as the economy, environmental health, and climate
Indicate whether this statement is true or false.