The main reason for why teenage mothers tend to give birth to less healthy infants than mothers in their 20s is that they

What event or characteristic of the industrial revolution does this painting illustrate a. the opening of the erie canal b. the environmental impact of steel mills c. the decline of steamboat transportation d. the development of the bessemer process

97 points what types of changes have been made in the united states to protect people from earthquakes? a. communities are no longer located along fault lines. b. building codes ensure that structures can withstand shaking. c. warnings go off when an earthquake is expected, and people evacuate the area. d. barriers have been built to prevent flooding by a tsunami.

How important is it to have a powerful army and navy? give two reasons for your answer