Why does molecular polarity occur?

Polarity is caused when electrons in a covalent bond are not equally shared.
A molecule's polarity is caused when the two nuclei making up the molecule are different sizes.
Polarity is caused when electrons are shared equally in a covalent bond.
Polarity is caused when electrons are taken by one atom in an ionic bond.

answer: option (4) is the correct answer.

explanation:

areas which are at low altitudes and near the equator tend to receive direct sunlight from the sun. hence, heat energy or radiations from the sun make these areas warmer and they have warmest water.

whereas areas which are at high altitudes and away from the equator do no receive direct sunlight. hence, no direct contact from the sun makes these regions colder and thus, they have colder water.

thus, we can conclude that the statement areas at low latitudes near the equator have the warmest water because they receive the most direct sunlight best explains the relationship between an area's geography and the temperature of its surface water.

answer: mercury

explanation:

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