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schepotkina [342]
2 years ago
10

Which of the following was most likely NOT present in creating the amino acids of early Earth's water of the past? A. ammonia B.

sulfur C. nitrogen D. hydrogen
Chemistry
2 answers:
Anettt [7]2 years ago
8 0
D hydrogen because it would not be found it in.
Igoryamba2 years ago
7 0
B or D but id say go with D

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How do I solve this?? ok having a hard time BRAINLIST​
USPshnik [31]

Answer:

1) 6(1/2)

2) 8(4/5)

Explanation:

1) 7 - 1/2 = 7/1 - 1/2 = 14/2 - 1/2 = 13/2 = 6(1/2)

2) 11(2/5) - 2(3/5) = 57/5 - 13/5 = 44/5 = 8(4/5)

8 0
3 years ago
What property of the elements is considered
ASHA 777 [7]

Answer:

electro negativity

type of elements

the number of energy levels

I hope this helps you.  I did a lot of reasearch to find the answer.  Please mark me Brainliest!  Thank you.

4 0
3 years ago
What is the empirical formula of C20H40
Nat2105 [25]

Answer:

CH2

Explanation:

The empirical formula gives the lowest whole number ratio of the elements. In this case, both subscripts can be divided by 20, hence CH2.

8 0
2 years ago
A brown coating appears on the outside of the nail.what do you think this is?
Talja [164]

Answer:

Rusting

I guess

Explanation:

Cause in iron if a brown coating appears it is called rusting

8 0
2 years ago
I need to solve for x in this equation<br><br> ln(760/630)=32/8.314(1/x-1/329.5)
Anuta_ua [19.1K]
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4 0
3 years ago
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