By the mid-1870s, and his Standard oil company had monopolized
America's kerosene supply, owning over 80 percent of it.
A. Andrew Carnegie
B. J. P. Morgan
C. John D. Rockefeller
D. Cornelius Vanderbilt

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates