The chemistry of pepper

Guys, for next Monday (June 18th) complete the following sentences with the right word.

The chemistry of black pepper

a) Pepper was used as _____________ in some areas because it was very _________________
b) In 1492 the spice trade was on full swing. It was really _____________________
c) Columbus was told to go west so Spain would get its _____________________ of the spice trade.
d) The big moneymaker in the spice trade was ______________________
e) Pepper is native to _____________________
f) When pepper is ____________________ its berries are green. Then they are sundried.
g) Columbus ____________________ made it to India. The first European ship to arrive there was Vasco Da Gana in 1498.