Answer:
helium , krypton,xenon,radon, argon are noble gasses
It’s C.valley formed from water erosion
Answer:
True
Explanation:
All living things are made from many cells
The answer to the question is a.
<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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