Answer:
Partial melting occurs when only a portion of solid is melted. It is thus enriched in the chemical components of minerals with lower melting temperatures and the remaining unmelted portion of the rock is composed of minerals with highest melting temperatures. Partial melting preferentially enriches melts with incompatible elements.
Partially melted rock do not usually experience complete melting inside the Earth, due to their different chemical composition and their melting points.
It is thought that partial-melting processes play a major role in generating more-defined liquids from less-evolved ones, so that many basalts may be the result of partial melting in the upper mantle, and many granites may have derived partly or completely from the partial melting of continental crust (anatexis).With increasing temperature and pressure, the subducted oceanic crust (of basic composition) first undergoes metamorphism and then begins to melt or release watery fluids; this material rises into the overlying mantle, which may also begin to melt, giving rise to intermediate magma.
Tilting - Processes such as tilting, folding, faulting, and intrusions of igneousrocks can distort the original strata. Tilted geologic layers were originally horizontal. Sediments will fill in uneven geologic layers. Geologists observe the tilted layer and try to visually reposition it horizontally.
Answer:
Waves , tides and currents are powerful agents in developing coastal landforms.
Hope it helps you.
1. Coal is in the underground and we have to dig it out. Water is always there and circulating. Wind and Solar are things that have and will exist for a long time. We can use them and cycle them
With a lack of resources, businesses are not able to keep up with production, causing a drop in products. with the drop in products will cause many businesses to lose money, and employees would have to be let go. aid farmers were to not be able to produce or sale their crops, they would not be able to make any profit, and the crops would not be used and would eventually rot. without the crops could bring a lack food in the cities. an example of a lack of resources is in the great depression with the dust bowl that caused the soil to be taken away from farms, and dust storms ravaged the plains.
