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Nata [24]
3 years ago
7

What are some differences between a family tree and evolutionary

Chemistry
1 answer:
Ber [7]3 years ago
8 0

Answer:

El árbol filogenético es la relación de parentesco que existen entre diferentes especies, de manera general mientras que el árbol genealógico es la relación de parentesco entre los individuos de una sola especie.

Explanation:

El árbol filogenético es la relación de parentesco que existen entre diferentes especies, de manera general mientras que el árbol genealógico es la relación de parentesco entre los individuos de una sola especie.

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When elements form bonds, it changes their ______ properties.<br>The answer is..? ​
Arturiano [62]

Answer:

chemical and physical

6 0
3 years ago
Which best explains how the Coriolis effect is related to wind direction? A. Air moves in a straight line from north to south. B
Alex777 [14]
I think its A. Not 100% sure though
3 0
4 years ago
What charge dose an atom have? pls have a claim,Evidence,Reasoning
Andre45 [30]

An atom typically has a neutral charge, as in most cases an atom has the same amount of positively charged protons as it does negatively charged electrons.

Atoms that do not have the same amount of electrons as protons are known as isotopes.

5 0
3 years ago
Uranium-232 has a half-life of 68.8 years. After 344.0 years, how much uranium-232 will remain from a 100.0-g sample?
amm1812

Answer:  3.13 g

Explanation:

Radioactive decay follows first order kinetics.

Half-life of uranium-232 = 68.8 years

\lambda =\frac{0.693}{t_{\frac{1}{2}}}=\frac{0.693}{68.8}= 0.010072674 year^{-1}

N=N_o\times e^{-\lambda t}

N = amount left after time t

N_0 = initial amount

\lambda = rate constant

t= time

N_0 = 100 g, t= 344 years, \lambda=0.010072674 years^{-1}

N=100\times e^{- 0.010072674 years^{-1}\times 344 years}

N=3.13g


8 0
3 years ago
Read 2 more answers
g Reduction involves the A) loss of neutrons, gain of electrons, and an increase in oxidation state. B) loss of neutrons. C) inc
artcher [175]

Answer:

E. Gain of electrons

Explanation:

A reduction reaction is one part of the two concurrent reactions that take place in a redox (reduction-oxidation) reaction.

During reduction, an atom gains electrons from a donor atom, and it's oxidation number becomes smaller.

Option A is wrong because reduction does not increase oxidation state nor are neutrons involved

Option B is wrong because reduction is not a nuclear reaction (does not involve the nucleons)

Option C is wrong because reduction leads to reduction in oxidation state

Option D is wrong leads to a reduction in oxidation state when electrons are gained

Option E is correct because reduction involves gain of electrons

4 0
3 years ago
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