The endocrine system is least likely to be disrupted by the intake of
A. herbicides.
B. PCBs.
C. mercury.
D. Vitamin E.
E. DDT.
Answer: D
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The type of gravity-driven, downslope movement where the material moves very, very slowly as a high-viscosity fluid is called
A) fall. B) slide. C) slump. D) creep. E) flow.
Cloud iridescence is caused mainly by ____
A) refraction B) reflection C) diffraction D) dispersion
Modern technologies, such as GPS, LiDAR, and radar are important tools for studying the Earth's topography
Indicate whether the statement is true or false
Which of the following are characteristics of actively erupting volcanoes?
A) Glowing orange lava flowing downhill.
B) Fragments of molten rock blasting into the air.
C) Billowing clouds of ash rising into the air.
D) All of these are correct.