Calculate the molar volume ( in L ) of O2 at STP from the van der Waals equation and compare it to the value in table 11.1 .​

It’s either c or d as the answer.

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

Answer (datum point);

5×^2+20-15 or -(5x^2-20+15)