What two chemical mechanisms change pyruvate to acetyl-coa in the pyruvate dehydrogenase complex? group of answer choices a) decarboxylation and condensation. b) oxidation and decarboxylation. c) condensation and dehydrogenation. d) condensation and oxidation. e) dehydrogenation and oxidation.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Summarize possible ways in which phases of matter could combine to form a solution.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine