Answer:
Igneous rocks and Metamorphic rocks determine the age of the earth.
She was suffering from cervical cancer when cells were first taken from henrietta lacks. While she was being treated for cancer many years ago her cells were taken and have been cultured in the laboratory ever since. She was never communicated that her cells were being taken and neither she nor her family has stood recompensed.
Answer: coal
Explanation: if you search it up online you can see that it will say coal because they have a lot of that to burn so try coal way better answer
Salts usually. It depends on the base used. For example, if it is a carbonate reacting with acid, you get carbon dioxide, a carbonate salt and water.
