Determine the half life of a radioisotope that goes from 10.0 g to 5.00 g in eight days.

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

What is impossible to do with a hypothesis