A cell is 30 µm in width. Assume that the cell is cube shaped. What would be the length of the side of the cell if you wanted to double the surface area to volume ratio of the cell?

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins