A.) half - life of a radioactive substance is defined as the time during which concentration of the substance becomes half the initial value.
Answer:
Not influenced or controlled by others in matters of opinion
Answer:
Carson models how the continental crust varies in thickness. Marisol records atmospheric and oceanic temperatures at several beaches. Eliza analyzes seismic wave activity from an earthquake using a computer model.
It's quite strong and has a weak base . it would probably dissolve and the ph would drop