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ra1l [238]
3 years ago
9

Consider these phylogenetic trees. The first tree is based on physical characteristics. The second tree is based on structure, g

enetics, and evolutionary history.
Which can be concluded from a comparison of the two phylogenetic trees?
Chemistry
2 answers:
kati45 [8]3 years ago
7 0

Im not 100% sure, but I think the answer is C. If not, Im sorry for bothering you.

Anna [14]3 years ago
3 0

Answer:

the answer is c

Explanation:

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What trend does the first ionization energy follow going across the periodic table?
djyliett [7]

Explanation:

Ionization energy is defined as the energy necessary to remove an electron from a gaseous atom or ion.

Therefore, smaller is the size of an atom or ion more energy it needs to remove an electron because more is the charge on an ion smaller will be its size.

Hence, more will be the attraction between nucleus and valence electrons of the atom. So, more difficulty is faced by the atom to lose an electron. As a result, ionization energy will increase.

Across the period, there will be decrease in size of elements of the periodic table.

Thus, we can conclude that there will be increase in first ionization energy across the periodic table.

4 0
3 years ago
Read 2 more answers
A girl needs hellpp!!
Gwar [14]

i think the answer is C because it take a Molecular form so im certain the correct answer is c

7 0
3 years ago
If a molecule contains two carbon atoms and four hydrogen atoms, what can you conclude about the bond between the carbon atoms?
g100num [7]
For the given question above, I think the bond between the carbon atoms is a double bond. <span>2 carbon atoms and 4 hydrogen atoms will give an ethene, which has a C=C bond between carbon atoms. I hope this is the answer you are looking for.</span>
5 0
3 years ago
Why s orbital does not contain degenerate orbital​
Juliette [100K]
There’s no other degenerate s orbital because the there can be only one s orbital for any value of n.
3 0
3 years ago
At what temp will a gas be at if you allow it to expand from an original 456 mL to 65°C to 3.4 L
alexira [117]
We use the gas law named Charle's law for the calculation of the second temperature. The law states that,
                                          V₁T₂ = V₂T₁
Substituting the known values,
                                (0.456 L)(65 + 273.15) = (3.4 L)(T₁)
                                             T₁ = 45.33 K
5 0
3 years ago
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