1. Spits form off of a headland due to: a. Decreased energy along the longshore

Question

1. Spits form off of a headland due to:
a. Decreased energy along the longshore current and deposition of sand
b. Increased energy along the longshore current and deposition of sand
c. Decreased energy along the longshore current and erosion of sand
d. Increased energy along the longshore current and erosion of sand

2. What is the most common source of sand along our California beaches?
a. People bringing it in
b. Sierra-Nevada Mountains via streams.
c. Erosion of land next to the beach.
d. The ocean floor

3. Cold water currents:
a. Are a broad, slow moving current.
b. Are a narrow, fast moving current
c. Can be both, depending on the

Explanation / Answer

1. Spits form off of a headland due to:

a. Decreased energy along the longshore current and deposition of sand.

Due to the decrease in energy along the longshore, the sand deposited to form a spit.

2. What is the most common source of sand along our California beaches?

b. Sierra-Nevada Mountains via streams.

All the sediments in any beach n the world come from the mountains trough erosion via stream.

3. Cold water currents:

a. Are a broad, slow moving current.

These are mainly Eastern boundary currents and thus they are broad and slow moving because theey mainly come from the polar regions.

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