Question

5 what is the main idea of this article? a engineers help other people by solving problems and designing new products. b sandra cruz - pol is an engineer who designs products that let people know when storms and floods are coming. c some engineers help people by finding better ways to keep foods fresh and safe.

Explanation:

The main - idea should cover the overall concept about engineers' work. Option A is a general statement about what engineers do (solving problems and designing new products). Options B and C are specific examples of what some engineers do.

Answer:

A. Engineers help other people by solving problems and designing new products.