Use the image to complete the statements. an image at left labeled aluminum atom has a mix of red and blue balls in its center and 3 concentric black rings around the center. the inner ring has 2 small green balls on it. the middle ring has 6 small green balls on it. the outer ring has 3 small green balls on it. a blue arrow leads to an image at right labeled aluminum ion with a mix of red and blue balls in its center. 2 concentric black rings around the center. the inner ring has 2 small green balls on it. the middle ring has 6 small green balls on it. the aluminum atom electrons to form an ion. the ion that is formed is .

silty loam

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cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!

well the answer is 2!