Geologists believe that the Earth's layers vary in depth, pressure and temperature. Since pressure and temperature affect density , each layer has a different density as well. The density of Each layer determines its
position inside Earth.
From the table which layer is the least dense? What is the density of this layer?

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses