smartwork At least one atom does not contain a properly depicted valence. What should be added or removed to correct this error

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry