Question

sweating when it is hot outside is an example of which characteristic of life?
responding to the environment
using energy
reproducing
growing and developing

Explanation:

When it's hot outside, the body sweats to cool down. This is a response to the environmental condition of high - temperature. It's not related to using energy in the sense of metabolic energy for processes like movement or growth, nor is it reproduction or growth and development.

Answer:

responding to the environment