Which sentence best summarizes the central idea of the song, "Brother, Can You Spare a Dime?" The United States was built, developed, and protected by women and men of various cultures and backgrounds. The men begging for money on the street helped build and protect our country, and they deserve a better lot than they have been given. Farms, railroads, and the military have greatly diminished in quality since the onset of the Great Depression. A man named Al is responsible for the building, development, and protection of the United States of America.

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Living organism in our word are connected to other variety of ways