Answer:
The answers are,
1) Perfectly Identical
2) many
3)takers
4)false
Explanation:
Lettuce is a commodity that can't be differentiated much based on the product. It can be however, differentiated from branding, packaging, etc.
But since the Lettuce is a broad category, we can assume that it is a competitive market.
Perfectly competitive markets do not really exist in the real world and are more of a hypothetical scenario. However, knowing the concept allows businesses and governments to make sound economic decisions regarding production and consumption.