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slavikrds [6]
3 years ago
9

Which of the following conclusions might a scientist make when fossils of two different species of very similar organisms are fo

und in different layers of rock?
Question 2 options:

A. Both organisms had similar behaviors.


B. One organism was prey for the other organism.


C. One organism was ancestor of the other organism.


D. Both organisms lived around the same time.
Chemistry
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

if its multiple, C and D, if not, C

Explanation:

brainliesttt?

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A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston wit
Evgesh-ka [11]

Answer:

The answer to your question is   P2 = 0.78 atm

Explanation:

Data

Temperature 1 = T1 = 263°K                 Temperature 2 = T2 = 298°K

Volume 1 = V1 = 24 L                             Volume 2 = V2 = 35 L

Pressure 1 = P1 = 1                                  Pressure 2 = P2 = ?

Process

1.- To solve this problem use the Combined gas law

                          P1V1/T1 = P2V2/T2

-Solve for P2

                           P2 = P1V1T2 / T1V2

-Substitution

                          P2 = (1)(24)(298) / (263)(35)

-Simplification

                          P2 = 7152 / 9205

-Result

                          P2 = 0.777

   or                    P2 = 0.78 atm

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3 years ago
The standard Gibbs energy of reaction, ÄG°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of pheno
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A is the answer to this question
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3 years ago
What percentage of the formula mass of Na2SO4 does sodium constitute?
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Molar mass of Na2SO4*10H2O is 322.1949 g/mol

4 0
3 years ago
What are the two types of alleles? A: Dominant and recessive B: genotype and phenotype C: Gene and chromosome or D: Gene and DNA
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Answer:

dominant and recessive

Explanation:

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Alex17521 [72]

Answer: Iron

Explanation: There are little minnerals that make it magnetic.

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