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denis-greek [22]
3 years ago
9

Marcie’s family takes a trip to the beach. They observe many features along the shoreline, including sea stacks and sea arches.

These features are made of granite, a very hard rock. It takes many years and a huge amount of wave energy for a sea arch to fall, forming a sea stack.
The sea arch illustration on the left is an arch made of rock, while the sea stack illustration on the right is two columns of rock with a space in between.

Which step of the rock cycle happens as the sea stacks are broken down?

A. deposition
B. pressure changes
C. temperature changes
SAT
2 answers:
Rom4ik [11]3 years ago
7 0

Answer: Deposition

Explanation:

I think its deposition because deposition drops all kind of stuff everywhere.

Hope This Helps!

Alex3 years ago
3 0
It’s b or c I think sorry I tried brainlest pls):
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Determine the empirical formula of a compound containing 47. 37 grams of carbon, 10. 59 grams of hydrogen, and 42. 04 grams of o
Effectus [21]

Considering the definition of empirical formula, the empirical formula is C₃H₈O₂ and the molecular formula is C₉H₂₄O₆.

<h3>Definition of empirical formula</h3>

The empirical formula is the simplest expression to represent a chemical compound, which indicates the elements that are present and the minimum proportion in whole numbers that exist between its atoms, that is, the subscripts of chemical formulas are reduced to the most integers. small as possible.

<h3>Empirical formula in this case</h3>

In this case, you have:

  • Carbon (C): 47.37 grams
  • Hydrogen (H): 10.59 grams
  • Oxygen (O):  42.04 grams

Then it is possible to calculate the number of moles of each atom in the molecule, taking into account the corresponding molar mass:

  • Carbon (C): \frac{47.37 grams}{12 \frac{g}{mole} }= 3.95 moles
  • Hydrogen (H): \frac{10.59 grams}{1 \frac{g}{mole} }= 10.59 moles
  • Oxygen (O):  \frac{42.04 grams}{16 \frac{g}{mole} }= 2.63 moles

The empirical formula must be expressed using whole number relationships, for this the numbers of moles are divided by the smallest result of those obtained. In this case:

  • Carbon (C): \frac{3.95 moles}{2.63 moles }= 1.5
  • Hydrogen (H): \frac{10.59 moles}{2.63 moles }= 4
  • Oxygen (O):  \frac{2.63 moles}{2.63 moles }= 1

Finally, since in the empirical formula the numbers of moles must be expressed in whole numbers, the ratio of atoms is multiplied by some number with which everything is obtained in simple whole numbers (in this case by 2):

  • Carbon (C): 1.5× 2= 3
  • Hydrogen (H): 4× 2= 8
  • Oxygen (O):  1× 2= 2

Therefore the C: H: O mole ratio is 3: 8: 2

Finally, the empirical formula is C₃H₈O₂.

<h3>Molecular formula</h3>

To obtain the molecular formula you must relate its molecular weight (PMc) with the molecular weight of the empirical formula (PMfe).

PMfe= PM (C₃H₈O₂)= 76 g/mole

The molar mass of the compound (PMc) was determined to be 228.276 g/mol. Dividing this mass PMc by the molar mass of the empirical formula PMfe gives:

228.276 g/mol ÷ 76 g/mole= 3

This means that in the molecular formula there are 3 unit formulas (empirical formulas), so it is necessary to multiply the number of all atoms by 3.

Then, the molecular formula is C₉H₂₄O₆.

Learn more about empirical formula:

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How do u prepare a poultry house to accommodate birds
Soloha48 [4]

Answer:

The poultry house must have to be well ventilated.

Ensure sufficient entrance of sunlight and fresh air inside the house.

It would be better if the house become situated north to south faced.

The proper distance of one house to another house is about 40 feet.

Clean the house properly before keeping the birds inside the poultry house.

Make a deep liter and keep it dry and clean always.

Wooden and rice bran can be used for making liter.

Keep feed and feeding equipment in proper distance inside the poultry house according to the number and demand of poultry birds.

The poultry house and all equipment must have to be free from virus, parasites and germs.

Build the poultry house in such a place where all the poultry birds are free from all types of wild animals and other predators.

The poultry housing area will be free from loud sound/sound pollution.

Make the poultry house in quite and calm place.

It would be better if the house located in an open air place.

However, to be successful in poultry farming the producers must have to be aware in making the poultry house. Be sure that all necessary equipment and facilities are available inside the poultry house.

Explanation:

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The elevation of mt everest is 29028 feet.
Anastasy [175]
Answer: False 29,032

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Answer:

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