Choose the inventions of the baroque era. eyeglasses mercury barometer harvester microscope pressure cooker printing press slide rule

What happens when there is a transfer of artwork using a grid? a. acts to verify the analysis of the composition b. the viewer's eye adjust to unity c. unify the composition d. none of the above

First to answer will be the brainliest i need the answer asap

Which of these is a consistent periodic pulse separated into equivalent intervals of time?