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Amanda [17]
3 years ago
12

Which is a difference between animal populations in primary succession and secondary succession?

Chemistry
2 answers:
Aloiza [94]3 years ago
6 0

Answer:

A.

Animals can be present during the start of secondary succession, but they are never present during the start of primary succession.

Sindrei [870]3 years ago
4 0

Answer:

this may help

Explanation:

in primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

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How are electromagnetic waves affected as the frequency of the waves increases?
Nikitich [7]

As the frequency is how many waves pass a fixed point in certain amount of times. This means that the waves get closer together and, therefore, the wavelength decreases. It also means that the wave has more energy.

Answer: D) Energy increases, wavelength decreases

5 0
3 years ago
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How is nuclear chemistry relevant to your everyday life?
tigry1 [53]
How? Well radiation can be used to improve everyday life. Nuclear energy can be used in medicine and as tools of treatment, especially for cancer, and trace the movement of atoms in biological systems. 
Hope i got the answer correct....
6 0
3 years ago
The photoelectric effect occurs when _____ are emitted from metal when the metal is struck by light of certain frequencies.
Ainat [17]

Answer:

electrons

Explanation:

The photoelectric effect occurs when electrons are emitted from metal when the metal is struck by light of certain frequencies.

Some of the applications of this effect include photomultipliers (which are a key component in spectroscopy instruments) and night vision devices.

4 0
3 years ago
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Which elements are represented by the symbols S and Na?
Degger [83]
Sulfur and sodium are those two elements
4 0
3 years ago
Convert 7.1X1025 molecules of water to moles
scoundrel [369]

Answer:

Moles of water in 7.1×10²⁵ molecules are 118 mol.

Explanation:

Given data:

Number of molecules of water = 7.1×10²⁵ molecules

Moles of water in 7.1×10²⁵ molecules = ?

Solution;

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

1 mole = 6.022 × 10²³ molecules of water

7.1×10²⁵ molecules of water × 1 mol / 6.022 × 10²³ molecules of water

1.18×10² moles of water 0r 118 moles of water

5 0
3 years ago
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