Answer: option c and d is right
Explanation:
This distinct features can be seen on venus, Saturn but all planets have it's signatory color as seen by astronomers.
Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.
Because it has no scientific explanation. As a matter of fact it has no explanation.
The things that black cats cause bad luck are a myth, and do not have any proof or explanation, meaning it cannot be concluded neither as a hypothesis nor scientific.
Hope it helped,
BioTeacher101