Two technicians are discussing oil filters. technician a says that the oil will remain perfectly clean if just the oil filter is changed regularly. technician b says that oil filters can filter particles smaller than the human eye can see. which technician is correct?

v 154.9= 0.9 length length s little over 154.9cm

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.