Rosita Sanchez is 2 months pregnant, and she and her doctor are worried because her rash was diagnosed as . They are concerned because this condition can produce defects in Rosita’s developing child.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.