Weegy: An alluvial fan is a fan-shaped deposit formed where a fast flowing stream flattens, slows, [ and spreads typically at the exit of a canyon onto a flatter plain while A delta is a landform that is created at the mouth of a river where that river flows into an ocean, sea, estuary, lake, reservoir, flat arid area, or another river. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river. ] User: describe the process of eutrophication? (More)

Weegy: Well the main culprit is the sun! The sun's energy evaporates liquid water, and changes its phase to water vapor. [ The vapor rises into the atmosphere, and becomes clouds, where the clouds condense and changes the vapor back into liquid, and whalla: rain drops falling on your head. That is the extreme simple explanation. Hope it helps ] User: what determines whather precipitation will fall as rain or snow? (More)

Weegy: Hailsreak is the accumulation of hail in a long, narrow path along the ground. A typical hailstreak may be 2 km (1.2 mi) wide and 10 km (6.2 mi) long, and a single thunderstorm may produce a severe hailstreak. [ It forms following hail formation, weakening updraft and hailstones reaching the ground. It takes about 15 to 20 minutes from the formation of hail to the depositing hail at surface. ] (More)

Weegy: A heat wave is a prolonged period of excessively hot weather, which may be accompanied by high humidity. There is no universal definition of a heat wave. [ [ A cold spell is a period of indeterminate length (usually short) marked by some action or condition. ] ] (More)