17. An igloo, or snow hut, is a type of shelter built out of snow traditionally used only by the people of Canada's Central Arctic and Greenland's Thule area. Conduct research to find the specific heat capacity values of the materials that igloos are built from. Then explain whether these are an efficient choice for design of a home in colder climates.

Which of the following is not considered one of the four major oceans (1 point)

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle