Chemical a-alter the phase ,or state of matter b-increase the mass of a substance c-affect the chemical structure of a substance d-do not change the properties of substance

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a