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hjlf
3 years ago
8

Need help on this. Only if you know please.

Chemistry
2 answers:
Effectus [21]3 years ago
8 0

Answer:

pea plant gives off nitrogen, so it should be nitrogen to butterfly.

Explanation:

Gala2k [10]3 years ago
5 0
I think the third one. please mark me brainliest. have a great day and good luck with school
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61.0 mol of P4O10 contains how many moles of P
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61mol * 4 = 244moles of P
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3 years ago
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Two trays of lasagna are identical except for their thermal energies.
Akimi4 [234]

Answer:

the one with less thermal energy

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thermal energy is heat

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PLS HELPP!!Which accurately describes one impact of the atmosphere on Earth’s cycles?
uysha [10]

Answer:

The correct option is;

Produces wind currents

Explanation:

The Earth's atmosphere which comprises the gases surrounding the Earth when heated up by the heating effect of the Sun creates winds such as land and sea breezes

The kind of forces that produce land and sea breezes results in wind patterns globally that affect climate. The curving masses of air due to the rotation of the Earth results in coriolis effect and trade winds that determines the cyclic (annual) seasons and weather.

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1. Round each of the following numbers to four significant figures, and express the result in scientific notation:
vfiekz [6]

The rounding up of the aforementioned number to four significant figures is as follows: 3.002 × 10²

<h3>What are significant figures?</h3>

Significant figures are figures that contribute to the general and overall value of the whole number.

Significant figures or digits are specifically meaningful with respect to the precision of a measurement.

Although, the original number given in this question has 9 significant figures, the number; 300.235800 can be rounded up to four significant figures as follows:

  • Decimal notation: 300.2
  • No. of significant figures: 4
  • No. of decimals: 1
  • Scientific notation: 3.002 × 10²

Therefore, the rounding up of the aforementioned number to four significant figures is as follows: 3.002 × 10².

Learn more about significant figures at: brainly.com/question/14359464

#SPJ1

3 0
2 years ago
Why boron trifluoride is nonpolar and sulphur dioxide is polar
ella [17]

it small because that bond is not very polar notice that all of those arrows they cancel. because they point in opposite directions. that's why BH 3 is nonpolar if we were to draw the Lewis structure of bf3. ... so even though the boron fluorine bond is polar the molecule as a whole is nonpolar.

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3 years ago
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