(10 points) a certain lake has a volume of about 480 cubic meters. if the total population of freshwater shrimp in the lake is 600 million, what is the population density of the shrimp in that lake

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

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.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system