Every winter morning when the sun is shining bright, a man living in Montana pulls back the drapes on a large, south-facing window. In this way, he helps heat his home using .

passive solar heating

Explanation:

Based on the information provided within the question it can be said that in this way, he helps heat his home using passive solar heating. This is when a building's architecture is completely designed to collect, store, reflect, and distribute the incoming solar energy as heat in the winter as well as repel the solar heat in the summer.

they can increase to boost the enonomy.

answer; role-taking;