A person is going on a trail run was running for 90 minutes (assume 2 sig figs). If the runner was able to maintain an average pace of 6.0 mi/hr in the direction of increasing mile markers and they ended at mile marker 15.0, what mile marker did they start from?

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.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;