I think the correct answers are the half-life varies depending on the isotope, half-lives range from fractions of a second to billions of years and <span> half-life of a particular isotope is constant. Half-life is a constant value for a specific isotope that tells when does the mass of the isotope reduces to half of the original mass. Hope this helps.</span>
50-80 bpm is the average adult resting
heart rate
President Eisenhower's leadership qualities as supreme commander of the Allied Forces on D-Day are characterized that he was experienced in leading complex battles and commanding diverse forces. The correct answer will be 2.
It affects the balance of the body because it does not contain enough sodium
Answer:imagination for the speaker
Explanation:
I took it