Which of the following is an example of how green roofs help save costs?(1 point)

Green roofs improve air quality.

Green roofs protect and maintain biodiversity.

Green roofs are a place for relaxation.

Green roofs act as natural insulation.

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion