Given a scientific passage and an answer, generate a question for the given answer.
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Question: Passage: Gene expression and protein synthesis are usually considered the same molecular process. Answer: protein synthesis

Answer: Gene expression and what else are usually considered the same molecular process?

Question: Passage: The global pattern of precipitation is influenced by movements of air masses. For example, there is a global belt of dry air masses and low precipitation at about 30 N and 30 S latitude. Answer: air masses

Answer: The global pattern of precipitation is influenced by movements of what?

Question: Passage: Metals are elements that are good conductors of electricity. They are the largest of the three classes of elements. In fact, most elements are metals. Look back at the modern periodic table ( Figure above ) in this chapter's lesson "How Elements Are Organized. " Find the metals in the table. They are all the elements that are color-coded blue. Examples include sodium (Na), silver (Ag), and zinc (Zn). Answer: electricity

Answer:
Metals are good conductors of what?