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ATI TEAS 7

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1. The phrase "disruptions to ecosystems" refers to

Correct answer: B

Rationale: The phrase suggests profound impacts on ecological balance and species interactions, aligning with B.

2. In the phrase "a drop in the bucket," "bucket" represents:

Correct answer: B

Rationale: The phrase signifies that something is insignificant compared to a much larger amount.

3. An ancient Egyptian pyramid has a square base with side lengths of 20 meters and a remaining height (after erosion) of 10 meters. Its original height was 30 meters. What was the volume of the pyramid in its original state?

Correct answer: A

Rationale: Use the formula for the volume of a pyramid with the original height and base area.

4. Which law of motion explains the behavior of rockets in space?

Correct answer: c

Rationale: Newton's Third Law of motion explains that for every action, there is an equal and opposite reaction, which propels rockets in space.

5. Which element is found in water and is crucial for biological functions like nerve impulses and muscle contraction?

Correct answer: A

Rationale: Sodium plays a key role in maintaining electrolyte balance and transmitting nerve impulses, affecting both muscles and nerves

6. When making a dilution, you...

Correct answer: C

Rationale: The correct answer is C: 'Decrease the concentration of a solution.' When making a dilution, you decrease the concentration of a solution by adding more solvent, not solute. Adding more solute to a concentrated solution would increase the concentration, not dilute it. Changing the temperature of the solution does not directly relate to dilution. Therefore, the only correct statement related to the process of making a dilution is that you decrease the concentration of the solution by adding more solvent, making option C the correct answer.

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