Ten-year-old all has a ring-shaped fungal skin infection on his leg. his doctor asks his mother whether anyone else in the house has a similar infection. his mother
tells the doctor no one else has the infection, but their dog has a circular, itchy bald spot and that ali plays with the dog a lot. the doctor informs ali and his mother
that he caught the infection from their dog. which mode of disease transmission most likely spread the infection from the dog to ali?
a. contaminated food
b. direct contact
c. mosquito
d. aerosol of the dog's body fluid

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.