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lord [1]
3 years ago
10

HELPPPPP MMMMEEEEEEEE

Chemistry
2 answers:
Scilla [17]3 years ago
7 0
Rr - Round eyes. the two alleles are R and r, and if R is dominant, the phenotype will be round
Arlecino [84]3 years ago
7 0
Your answer is Round Eyes because it is more dominant
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Imagine this scenario. All of the trees and plants are removed from a steep mountainside how would the removal of the trees and
lilavasa [31]
Nothing unless it was dug out from roots if not they would grom back in a long period of time
8 0
3 years ago
Read 2 more answers
Can someone good with chemistry help me?
Digiron [165]
As you go down group 7 the melting point of the elements will increase, this is because as you go down the group you are gaining an electron shell and the molecule will become bigger. This increase in size means that there will be an increase in the intermolecular forces as well.

So the order would be NF3, NBr3, NI3.

Hopefully this helps!
6 0
3 years ago
The concentration of urea in a solution prepared by dissolving 16 g of urea in 20 g of H2OH2O is ________% by mass. The molar ma
Arada [10]

Answer:

44

Explanation:

Given that :

Mass of solute = Mass of urea = 16g

Mass of water = 20g

Mass of solution = (mass of solute + mass of solvent) = (mass of urea + mass of water) = (16g + 20g) = 36g

Percentage Mass = (mass of solute / mass of solution) * 100%

Percentage Mass = (16 / 36) * 100%

Percentage Mass = 0.4444444 x 100%

Percentage Mass = 44.44%

Percentage Mass = 44%

4 0
3 years ago
He wants to increase the energy of emitted electrons . Based on the research of Albert Einstein, what is the best way for him to
pishuonlain [190]

To increase the energy of the emitted electrons, the frequency of the incident light on the metal must be increased.

<h3>What is energy of emitted electron?</h3>

The maximum energy of an emitted electron is equal to the energy of a photon for frequency f (E = hf ), minus the energy required to eject an electron from the metal's surface, also known as work function.

Ee = E - W

<h3>Energy of the emitted electron</h3>

The energy of emitted electrons based on the research of Albert Einstein is given as;

E = hf

where;

  • h is planck's constant
  • f is frequency of incident light on the metal

Thus, to increase the energy of the emitted electrons, the frequency of the incident light on the metal must be increased.

Learn more about energy of electron here: brainly.com/question/11316046

#SPJ1

8 0
1 year ago
Organisms have different ways of obtaining water. Bacteria obtain his water by allowing individual water molecules to enter thro
Troyanec [42]

Cell membrane is the answer.

6 0
3 years ago
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