How do you know if an equation is balanced or not

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several