Guysss please help! Microbiology

Why is magnification high and color absent in an
unretouched electron micrograph?
Guys please help! Miscrobiologyyy

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

What element is able to combine with itself and hydrogen to form large molecules ?