Answer:
Oceanic crust and continental crust
Answer:
Mitochondrial DNA is useful as a molecular clock because it displays uniparental inheritance
The kingdoms<span> in the </span>domain Eukarya<span> are the following:
1.) Protista
2.) Fungi
3.) Plantae
4.) Animalia.
Hope this helps!</span>
Answer:
1. Klinefelter syndrome
2. Nobody can be born with a single X chromosome
Explanation:
1. A genetic condition in which a male is born with an extra copy of the X chromosome
Klinefelter's syndrome isn't inherited, but rather occurs only as a result of a random genetic error after conception.
Males born with Klinefelter's syndrome may have low testosterone and reduced muscle mass, facial hair and body hair. Most males with this condition produce little or no sperm,
2. Sex chromosome occurs due to combination of the X and Y chromosome of both parents.
Elements in the first row (hydrogen and helium) will have outer electrons in the first energy level. Their principal quantum number is 1. Elements in the second row (lithium through neon) will have valence electrons in the second energy level with a principal quantum number of 2.
