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Anastaziya [24]
3 years ago
9

Please help fast

Chemistry
2 answers:
Valentin [98]3 years ago
5 0

A) deposition is the processes where particles of rock or laid down in sections with heavier sediments building up first

kicyunya [14]3 years ago
4 0

Answer:

The correct answer is option A, that is, deposition.

Explanation:

The erosion, weathering, and deposition refer to the procedures, which works spontaneously on or close to the surface of the Earth. With time, these procedures lead to the generation of sedimentary rocks.  

Deposition refers to the procedure where the rocks particles are laid down in segments with the heavier sediments forming up initially. It is the geological phenomenon in which the soil, sediments, and rocks are supplemented to a land mass or landform. Water, ice, wind, and gravity carry the previously weathered surface material that at the expense of adequate kinetic energy in the fluid gets deposited, forming up the sediment layers.  

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The isotope 208Tl undergoes β decay with a half-life of 3.1 min.
melamori03 [73]

Answer:

a. Pb 208

b. About 21.7 minutes

c. only a trace amount

Explanation:

It under goes beta decay.

There should be virtually nothing after an hour

8 0
3 years ago
How long will it take the cyclist to travel 400 meter?
yuradex [85]
It depends on the mph

Please mark me as brainliest. I need brainliest to get to Ace (rank).
7 0
3 years ago
HELP I WILL MARK YOU AS THE BRAINLIEST ANSWER
borishaifa [10]

Hey there! Here is the answer:

B.) decrease; increase

Here's why:

As you move from left to right across a period on the periodic table the size of an atom will decrease. As you move from top to bottom down a group on the periodic table the size of an atom will increase.

I really hope this answer helps you out! :)

8 0
3 years ago
Calculate the number of moles of an ideal gas if it occupies 1750 dm3 under 125,000 Pa at a temperature of 127 C.
Phoenix [80]

Hey there!


* Converts 1750 dm³ in liters :


1 dm³ = 1 L so 1750 dm³ = 1750 liters



* Convertes 125,000 Pa in atm :


1 Pa = 9.86*10⁻⁶ atm so 9.86*10⁻⁶ / 125,000 => 1.233 atm


* Convertes 127ºC in K :


127 + 273.15 => 400.15 K


R = 0.082 atm.L/mol.K


Finally, it uses an equation of clapeyron :


p * V = n * R * T


1.233 * 1750 = n * 0.082 * 400.15


2157.75 = n * 32.8123


n = 2157.75 / 32.8123


n = 65.76 moles



hope this helps!



5 0
3 years ago
Read 2 more answers
What what is the density. Correct units please.
CaHeK987 [17]
D=mxv so your answer should be 269.37
8 0
3 years ago
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