That are the differences between nuclear reactors and nuclear bombs

What is an example of a scientific question that galileo could not have answered with out this new tool?

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked

Modern hospitals often contain semi private rooms and wards where many people share a single room. in light of the spread of microorganisms, what patients would be good candidates to occupy these rooms?