The answer is coal, hope this helped
Answer:
Its important to understand the House of Representatives and Senate because passing legislation requires the agreement/approval of both the House and the Senate.
Explanation:
C) the exchange rate
This is when you go to another country and exchange your form of currency into that countries form of currency.
an example is that if you have 1 U.S. dollar and you exchange it for Canadian currency you would recieve $1.28 because the american dollar is worth more.