B. Includes a pledge of collateral
What defines intelligence? And what kinds of intelligence is there? WATCH BSTTLE OF THE BRAINS ON YOUTUBE IT WILL HELP A LOT.
D. Because their bring up a whole new level of what it looks like how big is it who eats their whose the owner what are the workers like.
Of course it's possible, because it means that sintheta=-2/5 which satisfies this -1<=sintheta<=1
