Which occurrence would contradict the big bang theory? O A. The percentage of carbon dioxide in Earth's atmosphere increases.
OB.
Scientists discover that 99% of the universe's mass is hydrogen.
Oc.
A radio telescope detects microwave radiation in space.
OD.
Distant galaxies move progressively farther away from Earth.
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the cell theory states that all living things including animals, as well as plants, are made of cells.

d bonding propertys

explanation:

carbon can form so many different compounds not just with oxygen

segmentation=endoskeleton=backbone=coelom=tissues

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: