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Vikki [24]
3 years ago
13

You compare two layers to a because the crust and upper mantle are solid

Chemistry
1 answer:
balandron [24]3 years ago
6 0
On the earth there is the top layer dirt then loam comes next
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Answer in detail?? What precautions would you take to protect yourself from an earthquake, when you are at home and when you are
Dmitry [639]

Answer:

If you're indoors, stay inside. If you're outside, stay outside. If you're indoors, stand against a wall near the center of the building, stand in a doorway, or crawl under heavy furniture (a desk or table). Stay away from windows and outside doors.

4 0
3 years ago
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Can someone help me lol;)<br> WILL MARK BRAINLIEST
inn [45]

Answer:

See explanation

Explanation:

1 ) Al has physical and chemical properties, similar to Boron, because It's also part of group 13, also called the boron group. The elements are characterized by having three valence electrons.

2) Lithium is in group 1. This means it has 1 valence electron.

Nitrogen has 7 electrons. The first shell can only have 2 electrons, so the second and outer shell has 5 electrons. Those 5 electrons are the 5 valence electrons;

Neon is a noble gas, it's in the stable noble gas configuration. This means it has 8 valence electrons.

Oxygen = non-metal because it's a gas

Silicon = metalloid

Helium = non-metal because it's a gas

Arsenic = metalloid

Sodium = it's an (alkali) metal, It is physically silver colored and is a soft metal of low density. Pure sodium is not found naturally on earth because it is a highly reactive metal

Chlorine = non-metal

Tin = Is a soft,  ductile and highly crystalline silvery-white metal

Boron = it does conduct electricity. Its chemical properties are mostly, but not entirely, and non-metallic

lead = is a heavy metal that is denser than most common materials

Radon = metalloid

Cesium = It is a soft, silvery-golden alkali metal

Carbon = non metal

Period

⇒ Horizontal from left to right

⇒ same number of atomic orbitals

⇒period = row

Group

⇒ vertical colums

⇒same number of valence electrons

⇒ same physical and chemical properties

4 0
3 years ago
Which type of allergy test, also called a subcutaneous test, introduces dilute solutions of allergens into the skin of the inner
alexgriva [62]

Answer:

The type of allergy test is scratch test.

Explanation:

In a scratch test also called a skin pri c k test or puncture test, an allergy provoking substance placed on the skin is gradually scratched  into the skin surface with the aid of a needle or lancet so as to detect bodily reactions to allergens. Some of the types allergens whose reactions are generally tested for include pollen, dust mites, molds and foods.

The scratch test takes about 5 to 10 minutes and it could cause slight pain and the may  result in itching feeling at the location where the allergen was introduced.

6 0
3 years ago
Why does the mood have phases
matrenka [14]
I'm assuming u mean "moon" and because it rotates around the rotating earth, and the side of the moon we cant see from this angle is dark, which is y we see pieces of the moon in a cycle. Its constantly turning 
8 0
3 years ago
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How do you convert 250 mL into "cubic meters"? ? I'm confused because of the word "cubic". thanks
lakkis [162]
1000 liters equal to one cubic meter
so 250 ml is equal to 0.25 liters.

where it is 0.25 m cube
5 0
3 years ago
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