In a building, air moves due to currents caused by temperature differences. Which statement best describes these currents? A.)They transfer electrical energy due to convection.

B.)They transfer thermal energy due to radiation.

C.)They transfer thermal energy due to convection.

D.)They transfer electrical energy due to conduction.

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?

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped