Are the stones in Ring 1 and Ring 2 the same or different substances?Contruct an argument in the following space

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

Were you able to observe the nucleolus in any of the cells if so which ones

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.