20kg piece of pure gold, i think........
Answer:
Water moves in and out of cells by osmosis through the cell membrane. ... Aquaporins selectively conduct water molecules in and out of cells, while preventing the passage of ions and other solutes.
Explanation:
yw
If the surface area to volume ratio<span> gets </span>too small<span> then substances won't be able to enter the </span>cell<span> fast enough to fuel the reactions</span>
Answer:
I'm not sure if this is correct but I think it's C
Answer:
John Dalton, J.J. Thompson, Ernest Rutherford, Niels Bohr, James Chadwick and Ernest Schrodinger each contributed greatly to the modern atomic theory by finding the actual evidence. of the tests that he ran was measuring the proportions of hydrogen to oxygen in different amount of the substances.