Question

which statement is true? a e is less dense than water b a is less dense than water c water is the most dense d b is more dense than water

Explanation:

Step1: Recall density - principle

Less - dense substances float on more - dense substances.

Step2: Analyze the layers

In the diagram, the substances are layered. Substances on top are less dense than those below.

Step3: Evaluate each option

• Option A: E is at the bottom, so it is more dense than the substances above, including water (assuming water is among them), so this is false.
• Option B: A is on top. If we assume water is in the middle - layer substances, A is less dense than water. This is true.
• Option C: We don't know if water is present and if it is the most dense. This is false.
• Option D: B is above other substances, so it is less dense than those below, and we can't say it is more dense than water. This is false.

Answer:

B. A is less dense than water