Question

how is life science useful? it helps us understand physical laws like gravity. it is the foundation for modern medicine. all of these are correct. it allows us to build better computers and smartphones.

Explanation:

Life - science focuses on living organisms. Understanding physical laws like gravity is in the realm of physics. Building better computers and smartphones is related to computer science and engineering. Life - science is indeed the foundation for modern medicine as it studies living systems which are crucial for medical research and treatment.

Answer:

B. It is the foundation for modern medicine.