Answer:
100 HZ 1,000 HZ 10,000 HZ there you go :)
It's a trigonal pyramidal, and this molecule is p<span>hosphorus trifluoride. YOU'RE WELCOME :D</span>
The cost for CHOPS is in the sand and the extraction of the oil from sand.
The cost for SAGD is the generation of steam.
The benefit for CHOPS is the low cost.
The benefit for SAGD is high extraction efficiency.
The other factors that could affect the decision are fuel cost and the required purity of the oil.
Elements are always combined in the same proportion as mass
The answer is B. HOPE ITS RIGHT!