Which of the Following Is True About a Delta

question 36

Multiple Choice

Which of the following is true about a delta?

• A) A delta forms as channels merge and pile up sand.
• B) A river keeps forming a delta in the exact same position along a coastline.
• C) Deltas form some layers that are horizontal and form some that are inclined toward the ocean.
• D) The total amount of sediment carried by the river increases from the start to the end of the delta system.

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Definitions:

Overtones

The higher frequencies found in a sound, which add to its basic frequency, contributing to its timbre or quality.

Fundamental Frequency

The lowest frequency of a periodic waveform, representing the pitch of a sound or a signal.

Fourier Analysis

A mathematical method used to break down functions or signals into sinusoids of different frequencies, providing a way to study frequency components.

Complex Tone

A sound signal that includes multiple frequencies, often with a fundamental frequency and its harmonics.