The answer is D because they would have to make quarries just below the surface to mine
Mineral ores much quicker (Quarries- a large hole/pit under ground used to get stone and minerals)
Water is <u>not wet</u> because the word wet is a form of liquid/water saturated/soaking the object.
Answer:
Pb(NO3)2 + 2NaCl = 2NaNO3 + PbCl2
<span>The cell must exchange materials with the environment across the surface membrane. An increase in size will result in a relatively greater increase in volume and mass than in surface area, so that the cell will lose effective exchange capacity.
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