Why might the mercalli scale not be the most accurate procedure used to locate an epicenter?

Achemist determined by measurements that 0.0300 most of beryllium oxide participate in a chemical reaction calculate the mass of berlylium oxide that participates

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

In which situation can a mixture always be called a solution