Which of these landforms was created by glaciers passing over the land? Group of answer choices

the Great Plains

the Gulf of Mexico

the Sierra Nevada Mountains

the Great Lakes

Data courtesy of the un development programme 2006-2008 and world bank 2009 the chart above compares measures of development using the hdi and gdp. why might turkey rank lower in the hdi indicator even though it has a high gdp?

Explain why components that are naturally found in air can be considered air pollutants.

The oil and gas found in the middle east are regulated by a. organization of petroleum exporting countries b. southwestern asian oil refineries c. north atlantic treaty organization