What are the rules that govern whether something falls are orbits in the solar

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate