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denis23 [38]
3 years ago
9

To all Science Experts!!!!!!!!!!!!!! Will mark Brainliest!!!!!!!!!!!! I need URGENT HELP!!!!!!!!!

Biology
1 answer:
Lina20 [59]3 years ago
3 0

Answer:

1)The lighter bands contain mostly quartz and feldspar, the darker often contain biotite, hornblende, garnet or graphite.

2)Marble is a metamorphic rock form composed of coarse crystals from parent limestone or dolostone rocks. Pure marble is white and composed of the mineral calcite.

3)Mudstone is the parent rock of slate. Slate is a product of regional metamorphism. Mudstone is made up of silt- and clay-size particles. Typically, the "clay-size" particles are made of clay minerals (illite, smectite, kaolinite, and chlorite).

4)Quartzite is composed of sandstone that has been metamorphosed. Quartzite is much harder than the parent rock, sandstone. It forms from sandstone that has come into contact with deeply buried magmas.

I hope this helps good luck!

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What is the relationship between ionic bonds and cleavage
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The relationship between ionic bonds and cleavage is "as the ionic bond strength increases, cleavage will be more difficult". 
There are ionic bonds between the minerals that held them together. Ionic bonds are the consequence of electrostatic fascination and electron exchange amongst positive and negative particles (cations and anions). Ionic bonding infers the development of requested crystalline solids and the cleavage of those solids will rely upon the quality of this bonding. 
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djyliett [7]

Answer:69

Explanation:

4 0
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Limestone, which contains the mineral calcite that fizzes in weak acid, may change
ki77a [65]

Answer:

D: It would fizz in acid.

Explanation:

Marble is a limestone & will have an acid reaction that is similar to the limestone from which it was formed.

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12) On the diagram below:
ser-zykov [4K]

Explanation:

  • A . Carbohydrate chain
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4 0
3 years ago
What is the pressure of 0.540 mol of an ideal gas at 35.5 L and 223 K?
Inga [223]

Answer:

Pressure, P = 28.2 kPa

Explanation:

Given that,

Number of moles, n = 0.54 mol

Volume of ideal gas, V = 35.5 L

Temperature, T = 223 K

We need to find the pressure of ideal gas. The equation of ideal gas is given by :

PV=nRT

R is gas constant

P is pressure

P=\dfrac{nRT}{V}\\\\P=\dfrac{0.54\ mol\times 8.314\ kPa- L/mol- K\times 223\ K}{35.5\ L}\\\\P=28.2\ kPa

So, the pressure of the gas is 28.2 kPa.                              

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3 years ago
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