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1 year ago

Which layer in the diagram was the original layer?

Chemistry

2 answers:

tatiyna1 year ago

4 0

I’m almost sure it’s D but i could be wrong

Lynna [10]1 year ago

4 0

The correct answer is bedrock.

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How can water be used for energy ?

Fantom [35]

First one is B and the second one is C

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2 years ago

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If a sample of pure cadmium has a mass of 18.2 grams, how many moles of cadmium are in the sample?

Mars2501 [29]

Atomic mass cadmium = 112.41 amu

1 mole Cd ------------ 112.41 g
?? moles Cd --------- 18.2 g

18.2 x 1 / 112.41 => 0.161 moles of Cd

hope this helps!

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2 years ago

Why do single cell organisms divide?

mixer [17]

Single-celled organisms which use asexual reproduction can do so very rapidly simply by dividing into two equal halves. This is called binary fission. In yeasts the cell does not divide equally in two halves; instead, there is a large mother cell and a smaller daughter cell. This is called budding.

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2 years ago

Subject: Chemistry whoever does this right will give the brainliest <3)

Andru [333]

Answer:

1 A

3 main types of bond are

Ionic bond ( formed due to complete transfer of electron between atoms(

Covalent bond ( formed by mutual sharing of electron)

Metalic bond ( present in the metals due to mobile electrons)

1 B bond in CaO is ionic bond formation in attached image

1 C hydrogen bond with nitrogen is covelent NH3 ammonia is formed because a bond between two non metals is expected to be covalent

More their electronegativity difference between hydrogen and nitrogen is less than 1.7 that makes it covalent

Explanation:

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2 years ago

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I neeeddddd heeeellllllppppp I'll give you brainliest

aev [14]

not double replacement

it will be synthesis

they are fusing the two elements

plz mark brainliest

3 0

2 years ago