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AURORKA [14]
2 years ago
7

How do waves erode sea cliffs?

Chemistry
2 answers:
devlian [24]2 years ago
7 0
In quiet water areas, like bays, wave energy is dispersed, so sand is deposited. Areas that stick out into the water are eroded by the strong wave energy that concentrates its power on the wave-cut cliff. The wave erodes the bottom of the cliff, eventually making the cliff to collapse.
Mekhanik [1.2K]2 years ago
4 0

Answer:

Wave energy is dissipated in quiet water areas like bays, resulting in sand deposition. Strong wave energy concentrates its power on the wave-cut cliff, eroding areas that stick out into the water. The wave erodes the cliff's bottom, eventually causing it to fall.

Explanation:

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2 years ago
What do all atoms of the same element have
nordsb [41]

Answer:

All atoms of the same element have always have the same amount of protons.

Explanation:

Atoms of the same element have always have the same amount of protons but not always the same electrons and neutrons. If an atom gains or loses one of its valance electrons, the electrons on the outermost shell, then it becomes ionized. Also not all atoms of the same element have the same amount of neutron. This is called an isotope. A good example would be Carbon 13. Normally, Carbon atoms have an atomic mass of 12 AMU or 12 atomic mass units. However, Carbon atoms have an atomic mass of 13 AMU, consisting of 7 neutrons instead of 6 neutrons. So the only thing that all atoms of the same element have in common is the amount of protons.

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3 years ago
From 1962 until 1981 pennies were made from 95% copper and 5% zinc and had a mass of 3.1 g. Starting in 1982, pennies have been
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Answer:

2.7724 g

Explanation:

Mass of pre- 1892 pennies = 3.1 g

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Mass of post 1892 pennies = 2.5 g

Abundance = 100 - 45.4 = 54.6 %

The average mass is given as = ( 3.1 g   *  45.4 / 100)  +  (2.5g  *  54.6 / 100)

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8 0
3 years ago
What is the mass percent of potassium sulfate in solution if 78g of potassium sulfate is dissolved in 500 mL of water? (The dens
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Answer:

13.5 %

Explanation:

First we<u> calculate the mass of 500 mL of water</u>, using <em>its density</em>:

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Then we <u>calculate the mass percent of potassium sulfate</u>, using the formula:

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6 0
2 years ago
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