What is an effect surface mining has on streams? Oxygen levels increase in the water.

Extra nutrients run off into the streams.

Water is filtered more thoroughly.

Intermittent streams are destroyed.

The formation of the planet uranus is estimated to have occurred approximately when?

¿cual es mas alta en baja california,la migracion o la inmigracion?

Can someone me choose a broad topic and area of focus i am really doing this as a tally to see which one most people pick ok water pollution global warming endangered species atmosphere for the !