A piece of wood is know to be 34,320 years old. At the present time, the wood contains 4.0 g of radiocarbon. How much carbon-14 was in the wood originally? The half-life of carbon-14 is 5,720 y.

Two things that biomedical has invented or innvated

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?