The element germanium (Ge) was once use in the manufacture of transistors for radios. What other element has similar properties that
might be used for the same purpose?
1. Sn
2. O
3.Ga
4.Ga

the force required to move the cart is divided by three or 33.33 n.

frequency or wavelenth of em radiation in a vacuum

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.