Carbon-14 has a half-life of 5,730 years. if the age of an object older than 50,000 years cannot be determined by radiocarbon dating, then

Citizens of the United States need to know the structure of our government and the freedom that they are proteced by the Constitution and the

Which circuits correctly show Ohm's law?

Select all the correct answers. What happens to water when it changes to ice? Its density increases. Its density decreases. Its mass increases. Its mass decreases. Its volume increases. Its volume decreases.

Which of the following describes an organism? A group of atoms working together A group of cells working together A group of tissues working together A group of organ systems working together

Which how of the following gives the number of protons electrons and neutrons for a neutral phosphorus atom? Phosphorus P 30.

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww