Science

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sākt mācīties

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jautājums		atbilde
is a skull a mineral sākt mācīties		no its manmade
Is quartz a mineral sākt mācīties		yes
what are minerals used for by humans sākt mācīties		zippers, pencils, makeup
is wood a mineral Eating apples is very healthy. sākt mācīties		no Comer manzanas es muy saludable.
what is a mineral sākt mācīties		1. naturally organic 2. it is inorganic 3. it is a solid 4. has a crystaling structure 5. definite chemical composition
is diamond manmade? Do you know that I like you? sākt mācīties		no its a mineral ¿Sabes que me gustas?
what is an ore sākt mācīties		mineral deposits from which metals and nonmetals can be removed from profitably
what is a metal sākt mācīties		1. has a shiny surface 2. mineral resource 3. good heat and light conductors 4. bend easily
what does a nonmetal have that a metal does not have sākt mācīties		a dull surface,
what is a native element sākt mācīties		metallic mineral
what exists in the earths crust sākt mācīties		native element
what is contact metamorphis sākt mācīties		when magma comes into contact with existing rock
what is a vein sākt mācīties		when new minerals precipitate from solution and form a narrow zone of rock
define lode sākt mācīties		when thick mineral veins form in a relatively small region which is the ore deposits
a deposit that contains a valuable mineral that has been concentrated by mechanical action sākt mācīties		this is a placer deposit
what is a gemstone sākt mācīties		a mineral that can be used as jewelry or an ornament when its cut and polished
what is subsurface mining sākt mācīties		miners use this technique to find underground mineral deposits
what is surface mining sākt mācīties		when the overlying rock material is stripped away to reveal the mineral deposits

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