Which of the Following Statements Is True

question 77

Multiple Choice

Which of the following statements is true?

• A)There is no point in the universe where gravity is precisely zero.
• B)It is possible to find a point in the universe where gravity from different astronomical objects cancels so it is precisely zero.
• C)Gravity can give rise to a repulsive force.
• D)Gravity is a nonconservative force.
• E)None of the above is true.

---

Definitions:

First-order Reaction

A chemical reaction whose rate is directly proportional to the concentration of a single reactant.

Half-life

The time required for a quantity to reduce to half its initial value, often used to describe the rate of decay of radioactive substances.

Drug Concentration

The amount of a drug present in a given volume of fluid, often measured in terms of mass per unit volume.

Pain Reliever

Medications used to reduce or eliminate pain, including over-the-counter drugs like acetaminophen and ibuprofen or prescribed opioids.