Which of the following is a possible benefit of flood mitigation efforts?

they can open a floodplain area for public use.

they result in lower taxes.

they can prevent hurricanes and other damaging storms.

they have no maintenance costs.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.