All of the above. Also, the amount of money can vary on wich type of housing, food, transportation, and entertainment you pay for.
Answer:
"Poaching is a particular problem on the African continent because of the exceptional wildlife found there." is a good one.
Explanation:
Expansion is the correct answer
Your answer should be WHO.
Think of it like this: You wouldn't say "The boy it (a variant of 'which')", because it simply just sounds odd. Instead, you're wired to think "The boy, he (an unknown name, so it would be 'who')".
