First sentence: Yes.
Second sentence: That's correct, though, that might sound a bit weird to a native English speaker.
Third sentence: After passerby and before to put a comma. And you might want to take off with and change it to into. George ran with a wheel cart and caused a passerby, which he bumped into, to fall over it.
Fourth sentence: I don't think explorate is a word. Maybe you mean exterminate? Exterminate means to destroy.
Fifth sentence: Yes.
Sixth sentence: A better word then to would be for. Consuming food is vital for human survival.
Seventh sentence: Yes.
Eighth sentence: It should be polices'. s' is possessive and instead of apathy you might mean empathy. The polices' empathy, towards the outrageous incident, prompted the citizens of Waterloo to start a protest.
Ninth sentence: Yes.