What is the ionic equation for 2al+ 3cucl3=alcl3 +3cu

The minerals found in bones are deposited by living cells called

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)