Answer:
noble gases Ithink this is the answrr
Explanation:
The electrons in the outermost electron shell are responsible for forming chemical bonds. These electrons are also known as valence electrons
A spiral galaxy though there are multiple shapes of galaxies
D, because when you have one recessive and one dominant allele, then the dominant one will always over power the recessive. That's why the majority of people have brown eyes, it's because brown eyes are a dominant trait whereas blue or green eyes are recessive.
21Explanation:BEACUSE I CAN