A large bar of solid gold is melted into liquid. The liquid is then poured into molds to make a number of gold coins. Was this a chemical or physical
change? Explain.

Chemical, because the gold turned into something new and is no longer gold.

Physical, because the gold changed size and shape, but is still gold.

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle