Question: What is the primary argument presented in the passage about the benefits of a plant-based diet?

Options:

1. Plant-based diets are less nutritious than meat-based diets.
2. Plant-based diets can improve health and reduce environmental impact.
3. Plant-based diets are difficult to maintain.
4. Plant-based diets are only for vegetarians.

Correct Answer: Plant-based diets can improve health and reduce environmental impact.

Solution:

The passage outlines the health benefits and environmental advantages of adopting a plant-based diet.