(Q004) Continental ice sheets today are found only inGroup of answer choicesAlaska and Iceland.Antarctica and Iceland.Antarctica and Greenland.Greenland and Iceland.

(Q020) Recent studies of ice agesGroup of answer choicesreveal fewer ice ages and less complexity than was originally thought.have identified paleosols that form during glacial periods.have identified glacial events by analyzing oxygen-isotope ratios in marine sediments.suggest that the entire Earth was covered by glacial ice in the Pleistocene.

Glaciers are found in: Antarctica Arctic Himalayas All of the options

Select all of the following that are true about Earth's polar ice caps.Multiple select question.have phytoplankton as the base of the food chainworms and crustaceans are part of the food webinhabited by whales, seals, and birdsinclude some of the world's most fertile, yet unreachable, soils

Select all that are true.Group of answer choicesWe are currently in an ice ageWe are currently in a glacial periodWe are currently in an interglacial period

(Q017) A glacier can have only one of which of the following types of moraines?Group of answer choiceslateralendmedialterminal