Atoms are composed of ________, and compounds are composed of ________
A) molecules; atoms B) cells; protons, neutrons, and electrons
C) protons, neutrons, and electrons; molecules D) protons, neutrons, and electrons; atoms
D
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Which subsystem of Earth supplies heat for convection in the mantle?
A)atmosphere B)hydrosphere C)biosphere D)core E)lithosphere
Evaluate this statement. "Glacial meltwater is milky white due to air bubbles trapped in the water."
A) This statement is true. B) This statement is false. The color is due to glacial flour in the water. C) This statement is false. The color is due to ice crystals. D) This statement is partially true, because the milky-white color is also due to ice crystals.
Which of the following statements is true?
A) Environmental policy debates are almost always politically divisive. B) Deregulation efforts typically lead to more effective policy. C) National elections rarely influence environmental policy. D) Environmental policy springs mostly from science and not election results.
Larger meteorite impacts occur more frequently than smaller impacts.
Answer the following statement true (T) or false (F)