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2 years ago

Which statement is most likely correct regarding soil bacteria that inhabit the polar regions of Earth..

1 answer:

7 0

The statement that is most likely correct regarding soil bacteria that inhabit the polar regions of Earth is they contain enzymes that function at a low temperature.

Option 2

<u>Explanation</u>:

Soil inhabited in Polar Regions are unique as they carry permafrost which is a thick sub-surface layer of soil, this layer is in frozen state for portion of the year. Water molecules and soil particles share bond energy, which prevent thin layer of water from freezing in low temperature and microbes manage this way to survive even in long deep freeze of winter.

These microbes also have consumption of organic matter and allow them to release more $C O_{2}$ into atmosphere. Organisms resistant to extreme low temperature are called Psychrophiles, hence found in permanent cold regions like polar and deep sea.

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________ is the study of matter and the energy that causes matter to combine, break apart and recombine in everything living and

Kipish [7]

Answer: Emperical formula

Explanation:

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2 years ago

avogadro's number of representative particles is equal to one___. A) kilogram B)gram C)kelvin D)mole

a_sh-v [17]

Avogadro's number allows us to measure the amount of atoms or molecules in one mole of a substance.

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2 years ago

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The metallic radius of a lithium atom is 152 pm. What is the volume of a lithium atom in cubic meters?

Anuta_ua [19.1K]

Answer:

Volume of lithium atom is found to be 1.47 X 10⁻²⁹ m³

Explanation:

Let us consider the volume of atom as a sphere (but it is little complex than that). This volume is mathematically expressed as,

$V=\frac{4}{3}\pi R^{3}$ ----------------------------------------------------------------------------------------(Eq. 1)

Here, R is the radius of lithium atom. The radius is given in picometers, so firstly let us convert it into meters

$R=(152pm )(1X10^{-12}\frac{m}{pm})$

$R = 1.52 X 10^{-10}m$

placing this value in Eq.1 the required result is achieved

$V=\frac{4}{3}\pi {1.52X10^{-10}}^{3}$

V= 1.47 X 10⁻²⁹ m³

8 0

2 years ago

In the first paragraph, the words "disrobed," "unveiling" and<br> "deconstructed" primarily serve to

Solnce55 [7]

Complete Question:

In the first paragraph, the words “disrobed,” “unveiling” and “deconstructed” primarily serve to (a) highlight the negative connotations that laser technology currently has, (b) emphasize the extensive reach of laser technology; (c) demonstrate the inherently unknowable characteristics of objects, even with laser technology; (d) implicitly compare lasers to other forms of technology

Answer:

(b) emphasize the extensive reach of laser technology;

Explanation:

The use of the word disrobed and deconstructed from the passage emphasizes the extensive reach of laser technology. Even without looking up the dictionary meaning of the two words, one can easily deduce that the passage is a pro-laser technology one.

The passage presents the use of the laser technology in solar exploration.
It also show its use by ecologists.

#learnwithBrainly

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2 years ago

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likoan [24]

Answer:

Explanation:I would need more info to understand this question but explaining molecules is pretty easy tho

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1 year ago