Iwill mark brainliest! the half-life of a radioactive element is the length of time it takes for half of a given amount of the
element to break down, or decay.
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What is the starting point in replication called

The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back