Question 3 is a scientific question because it can be experimented and answered by science.
Hope that helps!
Answer:
seleccion natural, habilitar
english translation: natural selection, and habilitate.
Answer:
A. Scorpions, ticks, and mites are invertebrates.
They aren't echinoderms, annelids, or vertebrates.
Answer:
Low-Protein
Explanation:
People who have PKU lack an enzyme to properly process the amino acid phenylalanine, a part of protein.