The chemical formula for carbonic acid, a compound used in carbonated drinks, is h2co3. assume that these symbols represent the three elements of this compound:

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?