Why is are sedimentary rocks so good for studying in geology of a region

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.

The influenza virus cause the flu, but not other diseases. why?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?