What causes folded mountains to form?
a. collision of continental plates
b. collision of a continental plate with an oceanic plate
c. vertical shifting along a fault line
d. lava emerging from a crack or fissure in the crust

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.

Using the periodic table, determine which material is most likely a good conductor

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve