Final answer:
The correct answer is D) paper; counterfeiting. Paper currency is lighter than coins made of metals, and a disadvantage arising from modern technology is the ease of counterfeiting.
Step-by-step explanation:
The correct answer is D) paper; counterfeiting.
Paper currency is lighter than coins made of metals, and a disadvantage arising from modern technology is the ease of counterfeiting. With advancements in printing technology, it has become easier for individuals to create fake paper money that closely resembles genuine currency. Counterfeiting can lead to significant economic losses and undermine the trust in a country's currency.