B. The curtains on the windows of a bedroom.
The rest of the choices are not man-made which would not be infrastructure.
1) Louisiana's official state motto is "Union, Justice, and Confidence" (prominent on the Louisiana flag and state seal). Louisiana also recognizes an official state slogan: "
Flower-Magnolia
Bird- Brown Pelican
Tree- Bald Cypress
the answer to this question is letter A
Over the past million years, Earth's globally averaged surface temperature has risen and fallen by about 5˚C in ice-age cycles, roughly every 100,000 years or so (Figure 2.1a).
