How many half lives have passed since the pottery was make
A human piece of pottery is dated at 16,750 years old by using carbon-14. How many half lives have passed since the pottery was make?
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What are some of the ways groups of people are identified? Why do people label and group other people?
To get the top spinning, its string is pulled with a tension of 0.30. How long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A baseball is hit with a speed of 30.0 ms-1 at an angle of 40.0 degrees. It land`s on the flat roof of a nearby building with a height of 14m. If the ball was hit when it was 1.4 m above the ground, what horizontal distance does it travel before
What is the relative chronological order for the following events; tsunami struck Japan, ice sheets was present in India, Asteroid collided in Yucatan peninsula, Maount Pina tubo erupted in the Phillipines and Wegener developed the continental drift
ABC Insurance Company has been quite successfulin selling its managed care insurance program to employers Verde Greene Hospital has a excellent reputation for quality in maternal casre.
What would the percentage of thorium- 232(parent compound) be in a rock that was dated at 1.4 billion years?
Peter Metarko is extremely optimistic about the market for the new baby food. What is your advice for Pete?
The concentration of the radioactive isotope potassium-40 in a rock sample is found to be 3.125%. What is the age of the rock?
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