Which type of heat transfer cause a person sitting by the fire to feel warm

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

The science for classifying and naming organisms is known as