Explain what causes spring and neap tides, and identify
the phases of the moon when these tides occur. Be sure
to mention what happens to Earth's crust, ocean water,
and the positions of the Sun, Earth, and the moon.

Spring tides occur when the sun, moon and earth are lined up, and it causes high and low tides to be much higher (moon is full/new). Neap tides occur when the sun, moon, and earth form a right angle this causes regular high and low tides to be much lower (first quarter and last quarter moon). The moons gravity and suns gravity pull the earths crust and ocean water.

Explanation:

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

b. to discover aspects of the natural world.

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