Answer:
water is the universals solvent and the compound that wouldnt disolve is oli because water and oil don't mix
Explanation:
You can't have a carrier with a dominant pedigree because other wise than individual or organism would be afflicted by the gene and render them incapable of being a carrier. A carrier is an individual/organism that has a normal phenotype (meaning it is not afflicted by said gene) but is carrying the gene that could cause disease or whatever the affect may be. In this case the gene would have to be homozygous recessive to be expressed. Hopefully this helps!
I think the correct answer from the choices listed above is option C. Cnidarians is the name of lower Invertebrates that have a jelly-like layer between endoderm and ectoderm. Hope this answers the question. Have a nice day.