When a river flows into a standing body of water, what forms?
A)natural levees
B)deltas
C)scarps
D)alluvial plains
E)underwater canyons
Question 2
Melting of Earth's crust yields mostly silica-rich magmas because ____.
A)the most abundant minerals in Earth's crust are silicates
B)silica is more easily melted than other minerals
C)many minerals produce silica when melted
D)silica has extremely low viscosity and move quickly up to Earth's crust from far underground
E)when silicon reacts with sodium chloride it form silica
The mollusc body plan.
Homunculus maps of human body parts along the cerebral cortex.
From space earth shows itself as a planet covered mostly by water.
Countercurrent heat exchange in dolphin flippers promotes conservation of body heat.
Water (Its Volume Expansion Upon Freezing)
The dorsal-column medial-lemniscus system. The pathways from only one side of the body are shown.