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likoan [24]
3 years ago
6

How the fossil evidence helped you put the landmasses together (what was your process)

Chemistry
1 answer:
Otrada [13]3 years ago
4 0

Explanation:

The idea behind using fossils to correlate two land masses was first put into limelight by a British geologist, Williams Smith.

According to the principle of fossil and fauna succession "fossils and fauna succeed one another in a define order".

This implies organisms evolve in predictable manner.

Since we know that certain types of organisms live within a period in time on the earth surface, we expect that such organisms would be fossilized in the geologic record and preserved.

  • Identify the fossil record in one part of the land mass. Log the rock types with the corresponding fossils in them.
  • On the other side, repeat the same process.
  • Look for unconformity surfaces where some part of the stratigraphic records might have been lost.
  • If the fossil records on one side corresponds with that on the other other side, it suggests that the land masses must have once been joined together.
  • The logic is that when the organism were on the same land mass, they thrived and lived together.
  • They became fossilized together till the lands separated.

learn more:

fossils brainly.com/question/9415077

#learnwithBrainly

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Calculate the amount of heat needed to boil 64.7 g of benzene (C6H6), beginning from a temperature of 41.9 C . Round your answer
JulsSmile [24]

Answer: The amount of heat needed is = 4.3kJ

Explanation:

Amount of heat H = M × C × ΔT

M= mass of benzene = 64.7g

C= specific heat capacity = 1.74J/gK

ΔT = T2-T1

Where T1 is initai temperature = 41.9C

T2 is the final temperature( boiling point of benzene) = 80.1C

H= 64.7×1.74×80.7

H= 4300J

H=4.3kJ

Therefore, the amount of heat needed is 4.3kJ

8 0
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The mole concept is important in chemistry because 1. it allows us to distinguish between elements and compounds. 2. it provides
Rufina [12.5K]
Answer:
             <span>The mole concept is important in chemistry because, "</span>Atoms and molecules are very small and the mole concept allows us to count atoms and molecules by weighing macroscopic amounts of material".

Explanation:
                   To understand this question lets take an example of Hydrogen atom. Let suppose you need to react Hydrogen with Oxygen. You need exactly Two Hydrogen atoms and one Oxygen atom to form one water molecule.
                  The mass of 1 hydrogen atom is 1.76 × 10⁻²⁴ grams. How will you count the Hydrogen atoms??? How can you measure exactly for 1 Million Hydrogen Atoms???
                   Answer to these questions and Calculations lies in Mole. It is found that 1 Mole of Hydrogen weights exactly 1.008 gram and contains 6.022 × 10²³ atoms. Now, having this reference in hand you can calculate for any number of Hydrogen atoms.

Result:
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sasho [114]
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