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In an atom, the nucleus is composed of _____________ and _____________, and the ____________ orbit very quickly around the nucleus.
protons; neutrons; electrons
What accounts for all the unique properties of water?
Its unique geometry causes the water molecule to have a resulting electrical polarity.
Each hydrogen atom shares its single electron with electrons in the oxygen atom. Which type of bond is this?
The fact that ice is less dense than water—which causes ice to float—is due to ___________.
the molecular packing of bulky ice crystals
The Red Sea has ____________ water because of large amounts of ______________.
Where is the salinity of ocean surface waters HIGHEST?
about 25 degrees north or south of the equator
There is no pycnocline in _______ latitude regions because _____________.
high-; the water column is uniformly cold and dense
In water vapor, there is no interconnectedness of individual water molecules (no hydrogen bonds).
Latent heat can be absorbed or released only as water undergoes the process of changing state (e.g., as water changes from a liquid to a solid).
The density of seawater increases with ________ in temperature and ________ in salinity.
a decrease; an increase
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