**Answer:**

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**Explanation:**

**Answer:**

B. 30 m down

**Explanation:**

In physics we have two types of quantities:

- Scalar quantity: it is a quantity which only has a magnitude (e.g: mass and time are scalar quantities, since they only have a magnitude)

- Vector quantity: it is a quantity which has both a magnitude and a direction (e.g: velocity is a vector quantity, since it has a magnitude (the speed) and a direction)

In this problem, we have:

A. 100 ounces of water --> scalar (this is a volume, which has only a magnitude)

B. 30 m down --> vector (this is a displacement, which has both a magnitude (30 m) and a direction (down)

C. 88 mi/s --> scalar (this is a speed, which has only a magnitude)

D. 45 gallons in a bucket --> scalar (this is a volume, which has only a magnitude)

So, the correct option is B.

The answer is D.) *Five*

The five factors include: Muscular strength, Muscular endurance, Cardiovascular endurance, flexibility, and body fat composition

What do radio waves and microwaves have in Common?

**<u>A) Both are at the ideological the spectrum that has the lowest frequency. </u>**

B) Both are at the spectrum that has the shortest wavelengths.

C) Both have higher frequencies than visible light.

The **amplitude **of the **wave **on the given sinusoidal wave graph is **10 cm.**

<h3>

**What is amplitude of wave?**</h3>

The **amplitude **of a wave is the maximum displacement of a wave. This is the highest vertical position of the wave from the origin.

**Amplitude **of the wave is calculated as follows;

From the graph, the amplitude of the wave or maximum displacement of the wave is 10 cm.

Thus, the **amplitude **of the **wave **on the given sinusoidal wave graph is **10 cm.**

Learn more about** wave amplitude** here: brainly.com/question/25699025