Which of the following is not an environmental consequence of using fossil fuels?

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.

9. wind power creates pollution. water air soil noise

How does the study of genetic disorders such as pku biologists understand normal alleles?