What type of bacteria convert the

1 answer:

3 0

Answer: B

Nitrifying bacterium, plural Nitrifying Bacteria, any of a small group of aerobic bacteria (family Nitrobacteraceae) that use inorganic chemicals as an energy source.

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Needed help plzzz on this chemistry homework.

mrs_skeptik [129]

Hertz is units for frequency. (waves per second)
wavelength = speed/frequency

if you're given the speed use that to calculate, if not then you can probably assume it's a wave of light and use the speed of light (3x10^8 m/s) to calculate.

wavelength = (3x10^8)/(1.28x10^17)
= 0.000000002 m
= 2.34 nm

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3 years ago

Which of the following is supported by reliable evidence?

Tasya [4]

B. Theory of gravity

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2 years ago

I am a liquid metal with 80 electrons

Hitman42 [59]

Answer:

Mercury

Explanation:

Mercury is a liquid element that contains 80 electrons when not charged.

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3 years ago

The maximum number of electrons in a p sub-level is:

Lera25 [3.4K]

A p sub- level has 3 sub levels so it contains 6 electrons max

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3 years ago

Read 2 more answers

Water is known as the universal solvent. One reason water makes a good solvent is because it is composed of polar molecules. Wha

Flauer [41]

Answer: Option (C) is the correct answer.

Explanation:

A water molecule is made up of two hydrogen atoms and one oxygen atom. Its molecular formula is $H_{2}O$ .

It is known that hydrogen is electropositive in nature whereas oxygen is electronegative in nature. Therefore, oxygen will pull the electron of hydrogen towards itself as a result, there will be formation of partial positive charge on hydrogen and partial negative charge on oxygen atom.

Thus, the water molecule becomes polar. So, we can conclude that water molecule is a polar molecule because water molecules have a positive charge on one end and a negative charge on the other.

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3 years ago