Question

what can we all give to better this world?
memories
knowledge
inspiration
attitude

Explanation:

This question is about what contributes to bettering the world. Among the options, "Knowledge" is a fundamental element that can drive progress, innovation, and positive change in various aspects of the world, like education, technology, and social development. While memories are personal, inspiration is more about motivation, and attitude is individual - centered, knowledge has a broader and more impactful role in improving the world collectively.

Answer:

B. Knowledge