What are the components of vector a if its magnitude is 70 m/s and makes an angle of 51.7° with the +x-axis? a. ax = 53.6 m/s, ay = 87.0 m/s b. ax = 87.0 m/s, ay = 53.6 m/s c. ax = 43.4 m/s, ay = 54.9 m/s d. ax = 54.9 m/s, ay = 43.4 m/s

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