Describe the preparation of compost in your locality​

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

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