The human body is an example of what kind of wave?

A. seismic
B. sound
C. water

What are two reasons for why a species might disappear from the fossil record?

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.

Long term exposure to waves can cause sunburns and skin cancer.