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.
Answer:
The unit of electric current that is equal to the flow of one Coulomb per second.
Ampere or ‘amp’ is a unit of electric current denoted by A. It is named after the French Physicist and Mathematician Andre-Marie Ampere, who is considered as the ‘Father of Electrodynamics’.
Answer:
18:56 if it is PM, but am would stay the same
Explanation:
if it is pm, you add 12 to whatever it is where you live in the U.S.
hello! The inorganic part of soil forms from rocks getting weathered by chemical and physical means to form soils.
Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.
<h3>What is the role of oxygen in rock weathering?</h3>
Oxygen is said to be a very reactive element and this often makes it reacts with rocks and this often leads to rust formation and others.
Therefore, Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.
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