When a drum is hit with a stick, it creates a vibration, which makes a sound. The number of vibrations in a second determines what property of the sound? A. frequency

B. reflection

C. transmission

D .wavelength

In griswold v. connecticut, on what did justice goldberg base his concurring opinion? the protection granted by the constitution the intention of the writers of the constitution the list of rights in the first eight amendments the human rights safe from government intervention

Many of the mauryan empire’s huge pillars originally were transported from quarries in india. a. central b. eastern c. southern d. western

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral