If a 4000 gram sample has a half-life of 1 million years and has 500 grams of radioactive parent isotope left how old is it

How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig