Comparative advantage means the ability to produce a good or service the ability to produce a good or service

1. more efficiently than another country.
2. with a lower opportunity cost than another country.
3. less efficiently than another country.
4. with a higher opportunity cost than another country.

The right option is; 2. with a lower opportunity cost than another country.  

Comparative advantage means the ability to produce a good or service with a lower opportunity cost than another country.

Comparative advantage refers to when a country produces a good or service for a lower opportunity cost than other countries. Comparative advantage gives a country the ability to produce specific products or services more efficiently at a lower price than its trade partners and to achieve greater sales margins. The benefits associated with buying goods or services of countries with comparative advantage are greater than the disadvantages.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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