If a=15 m/s², m=2 kg, F=? *

30 N
30kg
30 m/s²
7.5 N

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

What’s #16 asking and how do i solve it?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?