Write in short about the structure of the heart?

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.

What percentage of light hits earth's surface directly?

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly