how many carbon atoms are contained in 2.8 g of C2H4? a) 1.2 x 10^23 b) 3.0 x 10^23 c)6.0 x 10 ^23 d) 1.2 x 10^24 e) 6.0 x 10^24

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

distance, luminosity, brightness, radius, chemical composition, and temperature

wher is the rest of the question