Answers by visitors named: Tony Poon

I'm not good at explaining but here goes. Yes, because you need to have the right proportion. Lets say you have 1/2 + 1/3. You have half a cake plus a third of a cake. If you added them togther, you will not know how much you have left over or if you have...

I'm no expert and I'm just gussing right now, but I think its because its how oil floats. When you pour oil in a glass of water, it floats. Same with the oil in the tankers, and because they float on top of the water, it is hard to keep the boat in the wa...

Wow Qun is good, I sooooo got that explanation!

I had to do an assignment on that book. I just mainly used Wikipedia for my assignment. But try using Google. Most of the study guides aren't free, so it's basically up to you.