Answer:
A. a person who buys and uses products and services
Profitability Calculator: https://www.cryptocompare.com/mining/calculator/eth?HashingPower=200&HashingUnit=MH%2Fs&PowerConsumption=140&CostPerkWh=0.12&MiningPoolFee=1
Difficulty Level Chart: https://www.coinwarz.com/difficulty-charts/ethereum-difficulty-chart
Answer:
A computer has one IP address and many ports.
Explanation:
C because I said so hahahah