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IceJOKER [234]
3 years ago
9

Main group elemants are arranged in _______ groups

Chemistry
1 answer:
Lorico [155]3 years ago
3 0

Answer: susuus

hdhjhd

Explanation: sjsjsj

shshsh

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What happens when you mix two different items (gases or liquids) together when they have different densities?
daser333 [38]

Answer:

Density measures how heavy something is for its size. Liquids of different densities can not be mixed and will separate with the heavier densities at the bottom and the lighter densities at the top. The different objects float at different levels in the liquid depending on their densities.

8 0
3 years ago
Which answer choice best describes the difference between folded mountains and fault-block mountains?
melamori03 [73]

The answer is; C

In folding, when segments of Earth's crust are bent and doubled over, the sediments in between are form folds, since they are forced into a smaller space.  This also occurs in converging plates boundaries.

Block Mountains occur when stress due to compression in the crust causes the hanging wall between a fault to move up relative to the footwall.


6 0
3 years ago
Read 2 more answers
True or false
sweet-ann [11.9K]

Answer:

True.

But it only changes in physical change.

How?

Explanation:

The chemical reaction produces a new substance with new and different physical and chemical properties. Matter is never destroyed or created in chemical reactions. The particles of one substance are rearranged to form a new substance.

In a physical change, a substance's physical properties may change.

A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. ... Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.

Hope this helps!

8 0
3 years ago
The molecular weight of acetic acid is
kolezko [41]

Answer:

60.052 grams per mole

8 0
3 years ago
Why does Earthquakes occur?
Annette [7]
Shifting plates, underwater volcanoes. many different variables come in play
6 0
3 years ago
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