As demonstrated by the carbon cycle, matter on Earth is generally A. released into space once it reaches the atmosphere. B. recycled continually through the spheres of the Earth. C. created and destroyed by the basic life processes of organisms. D. absorbed into the Earth's core where it can no longer be used.

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.

2. what process do mrna and trna work together to complete? (3 points)

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species