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The standard unit of mass is .
a. gram
b. pound
c. kilogram

What three things determine the shape and size of a puddle when water is poured out onto a surface

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll