Answer:
The answer is true.
Explanation:
PKU is an inherited metabolic disease caused by a mutation of the gene for an enzyme responsible for metabolism of the amino acid phenylalanine.
Earth Science is a brand of science that studies the earth and the atmosphere. The topic can be among the following: geology, meteorology, and oceanography. More specifically, the topic could be about any of the following: volcanoes, the weather, or tides and storms.
