Question

all questions solve the problem please help me

Answer 1

♦Rock : Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids. For example, granite, a common rock, is a combination of the minerals quartz, feldspar and biotite. The Earth's outer solid layer, the lithosphere, is made of rock. Rock has been used by humankind throughout history. 


♦Mineral : A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids. 

♦Magam : Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets and some natural satellites.

♦ Metal : A metal is a material that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity. ... Precious metals were historically used as coinage.

♦Volcano :
a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust.


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Answer 2

Rock: A rock can be defined as an aggregate of minerals.It has no definite composition. Most of the rocks are mixtures of various minerals in different proportions.
Mineral: A mineral is a natural occurring substance having a definite chemical composition and physical properties.
Magma: It is a molten material beneath or within the earth's crust ,from which igneous rock is formed.
Metal: A metal is a material that is typically hard when in solid state,opaque,shiny and has good electrical and thermal conductivity.
Volcano: A volcano is an opening in a planet's surface or crust which allows heat,molten rock,ash and gases to escape from below the surface.
THREE EXAMPLES-
1 Igneous rocks- Basalt, Granite,Dolerite
2. Sedimentary rocks- Limestone,Coal,Gypsum
3. Metamorphic rocks- Diamond,Marble,Graphite
4. Minerals-Iron,Silicon,Magnesium
IDENTIFY THE ROCK
i know only third one that is GNEISS,it is metamorphic rock.
hope it will help you :)