What causes the phases of the Moon?
A. The Earth's shadow obscures different amounts of the Moon during the year.
B. A partial eclipse causes the lighted part of the moon to grow and shrink over time.
C. The relative positions of the Sun, Moon, and Earth cause us to see different amounts of the Moon's lighted side.
D. The Earth's shadow obscures different amounts of the Moon over 28 days.
Answer: C
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The conceptual basis of geographic questions involves the notion that
A) the location of an object affects other features in the natural environment but not the human environment. B) the location of an object is affected by other features in the natural environment but not the human environment. C) the location of an object affects, and is affected by, other features in both the natural and human environment. D) the location of an object is unique and largely unaffected by other features in both the natural and human environment.
What phylum contains sea jellies?
a. Porifera b. Cnidaria c. Echinodermata d. Platyhelminthes
The type of clay that can absorb water up to twenty times its weight and results in the formation of a weak gel is
A. montmorillonite. B. calcite. C. kaolinite. D. All the choices are correct.
In the rock cycle, igneous rocks can be transformed into which two other rock types?
a. sedimentary and sediments b. metamorphic and sedimentary c. magma and sediments d. metamorphic and magma