Precession of the equinox refers to ____
A) changes in the shape of Earth's orbit as it revolves around the sun
B) changes in Earth's tilt as it orbits the sun
C) changes in the seasons, especially from winter to summer
D) the wobble of Earth on its axis
D
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Globally, an imbalance in grain productivity requires some countries to import grain from places where production exceeds consumption
Which of the following would benefit the most from the use of biotechnology or other techniques to increase grain production in their region? A) Africa B) North America C) Western Europe D) Argentina and Brazil
Red, brown, and green toxic tides can release waterborne and airborne toxins that poison fish, shellfish, birds, and humans who eat seafood.
Answer the following statement true (T) or false (F)
Sedimentary rock formed from the combined processes of weathering, erosion, transportation, deposition, lithification, and compaction of rock fragments of other rocks are
A) chemical. B) biochemical. C) organic. D) basaltic. E) clastic.
A specific landform produced by the deposition of glacial till is known as
A) glacial drift. B) outwash. C) a moraine. D) alluvium.