Why does the stain move across the slide when the paper towel is applied?

Which sentence best expresses the differing opinions of these two book reviews?

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.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?