Answer:
there are 1000 grams in one kilogram, as kilo means a thousand.
so multiply 1000 by 20 to convert kg to g.
the answer is 20,000.
20 kg is equal to 20,000 g
You see what had happened was
That would be (A.) they are prokaryotic cells. If you want to see nucleus, look under a compound microscope. Hope it helps!
D.a protein that attacks foreign molecules