Solution exposure to air and light with the manual processing technique can be avoided by using a:

a. thermometer
b. tank cover
c. timer
d. stirring rod

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes