Explain how a communications satellite is used.

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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.

You see a white marker with an orange circle and black lettering. what does this marker tell you