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A seismic wave is traveling through the Earth's mantle. The deeper into the mantle the wave goes, the greater the pressure is.

As the pressure in the mantle increases,
A.
the wave's speed increases.
B.
the wave's frequency decreases.
C.
the wave's frequency increases.
D.
the wave's speed decreases.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
19 hours ago

As the pressure in the Earth's mantle increases, the wave's speed increases. This is because seismic waves generally travel faster in denser and more rigid materials. As pressure increases with depth, the material becomes more rigid, resulting in higher wave speeds.

Thus, the correct answer is:
**A. the wave's speed increases.**

User Icon for UnicornSparkles UnicornSparkles answered
19 hours ago

Which of the following are true about S waves? (MULTIPLY CHOICES)

A: They can travel through liquids.

B: They begin at an earthquake's focus.

C: They move rock at right angles to the direction of wave travel.

D: They can travel through solids

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
19 hours ago

The following statements about S waves (secondary or shear waves) are true:

B: They begin at an earthquake's focus.
C: They move rock at right angles to the direction of wave travel.
D: They can travel through solids.

Statement A is false because S waves cannot travel through liquids; they can only travel through solids.

Therefore, the correct choices are **B, C, and D**.