Some states authorize a to make healthcare decisions for patients who can't make them because they're incapacitated. O a) healthcare proxy b) living will O c) durable power of attorney O d) do-not-resuscitate order

The denser a substance, the more tightly packed it is. the table below shows the volume and mass of two different substances. comparison of substances substance volume (cm3) mass (g) r 22 10 s 55 25 which of the two substances is more tightly packed? object r is more tightly packed. object s is more tightly packed. both objects are packed equally tightly. this cannot be determined.