You have to provide options, otherwise people will not reply to your question.
Answer: No.
Explanation: Clay is filled with minerals that often weather to create shale. Clay is usually found in muddy environments, so it traps.
40 watts because 120-80 is forty or 80 + 40 - 120
3 carbons and 8<span> hydrogens = </span>11 atoms<span> in propane </span>per molecule
<span>2.12 mol C3H8
</span>6.02<span> x </span>1023<span> molecules of C3H8
</span>
11 atoms