I think it is B. Sorry if I’m wrong
True, they used them because its easier to trade coins than products
The following information are given in the question:
Mass, M = 8 g
Temperature, T = 20 degree Celsius
Specific heat of water [this value is a constant] C = 1 c/gc
Heat, Q = ?
The formula for calculating the amount of heat required is given below:
Q = MCT = 8 * 1 * 20 = 160
Therefore, Q = 160 cal.
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Answer:
I believe it's A. An installment credit has an interest rate, repayment terms and fees, and fixed payment.
