The Barnard Glacier in Wrangell–St. Elias National Park, Alaska. How many different glaciers have joined to form the main glacier as it flows off the area of the photograph in the foreground? What pattern do you see on the glacier that is a result of tributaries joining the main glacier? What do you see in the photograph that helps you define what a glacier is and explain how a glacier works?

Which of the following can scientists estimate geologic time? a. observing rock sequences b. radiometric dating c. comparing fossils d. all of these

Which layer surrounds the center of the earth? a: crust b: core c: mantle

Which statements describe cultural influences? florida is bordered by water on three sides. french is spoken in parts of louisiana. forests are cleared to provide space for cattle grazing. male children are encouraged to attend the university. the longest river on the continent is located here. birthdays are celebrated on january 1st. per capita income of northern buckland is more than $100,000.