What physically breaks hydrogen bonds between water molecules as ice melts?
-covalent bonds of water molecules
-movement of water molecules
-mass of water molecules
-polarity of water molecules
-movement of water molecules
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A student has equal-volume samples of three gases. All the gases are at the same temperature and pressure. If the three gases are O2, CO2, NH3, which sample contains the largest number of molecules?
A) O2 B) CO2 C) NH3 D) None, they all contain the same number of molecules.
Which of the following analyses is also called multi-distance spatial clustering analysis?
A. nearest neighbor analysis B. Moran's I C. G-Statistic D. Ripley's K-Function
Suppose that you saw clouds that were high in the sky and that looked like wispy strands of tattered cloth. An hour later, it started to rain. The clouds you noticed were
A) cumulonimbus clouds. B) alto stratus clouds. C) cumulus clouds. D) cirrus clouds.
Why are sedimentary rocks not a component of soil?
A) Components of broken down sedimentary rocks, like weathered rock residue, are present in soil, not sedimentary rocks. B) Sedimentary rocks do not break down quickly enough to become soil. C) Sedimentary rocks' chemical composition makes them impossible to ever become soil. D) Sedimentary rocks are too rare.