instruction:
Given a scientific passage and an answer, generate a question for the given answer.
question:
Passage: Electromagnetic waves vary in their wavelengths, frequencies, and energy levels. The full range of electromagnetic waves makes up the electromagnetic spectrum. Answer: electromagnetic spectrum
answer:
What do we call the full range of electromagnetic waves?

question:
Passage: Substances may be either elements or pure compounds. They may also be solid, liquid, or gas. Some of the elements (such as silver) exist in the solid form. Other elements (mercury) exist as liquids at room temperature. Elements such as helium and radon exist as gases at room temperature. A compound such as water will take the form of a solid, a liquid, or a gas, depending upon the temperature. Answer: pure compounds
answer:
Substances may be either elements or what?

question:
Passage: The process of protein synthesis is summarized in the Figure below . DNA produces an RNA template that directs the amino acids to be introduced into the growing protein chain in the proper sequence. A specific transfer RNA attaches to each amino acid and brings it to the RNA for incorporation. Answer: rna template
answer:
What directs the amino acids to be introduced into the growing protein chain in the proper sequence?