Elizabeth kenny started to treat polio patients in a way that had not been done before. which of the following words best describes elizabeth kenny?

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Read the article and use the information to answer the questions that follow discovering the structure of dna explain how the discoveries by rosalind franklin watson and crick build an accurate model of dna done