A
Explanation:
Weather can be defined as the day-to-day changes in the atmospheric parameters like temperatures, humidity, rainfall, and pressure. When these weather changes are observed for approximately over 30 years, the climate of the regions can be determined by understanding the patterns.
Answer:
1 m/s
Explanation:
speed=wavelength*frequency
speed=0.5*2
speed=1
Answer:
C
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Answer is: ethanol has the lowest vapor pressure because strongest intermolecular force (hydrogen
bond).
Hydrogen bond<span> is an </span>electrostatic<span> attraction between two polar groups that between </span>hydrogen<span> atom covalently bound to</span><span> atoms such as </span>nitrogen<span>, </span>oxygen, and fluorine. <span>Diethyl ether has weak intermolecular force.</span>
