Technician a says that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. technician b says that a typical oil control ring consists of two separate pieces. who is right? a. neither technician a nor b b. both technicians a and b c. technician b only d. technician a only
for penn foster..

Aballet student who learns with the of his instructor is demonstrating learning.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack