Which of the following elements is known as "nuclear ash" when it forms inside a star? Select one:
a. Hydrogen
b. Helium
c. Silicon
d. Iron

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

Most of the carbon on earth is stored in the form of

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.