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yan [13]
4 years ago
6

Which Scientists’ observations eventually led to the theory of continental drift?

Chemistry
1 answer:
Vitek1552 [10]4 years ago
8 0

Alfred Wegener

Explanation:

Alfred Wegener in 1912, proposed the theory of continental drift from his careful studies of different land masses. From his observations, he suggested the following:

  • Some fossils of tropical plants were found in polar and temperate regions.
  • Fossils of mesosaurus were found in South America and South Africa now separated by the Atlantic ocean.
  • He fitted the continents into a giant land mass puzzles.
  • Coal beds in Europe were similar to those in United States.
  • Mountain chains in the edge of West Africa was similar to that of Eastern part of South America.

His theory lacked a mechanism which facilitated the plate movement.

Learn more:

Wegener brainly.com/question/5002949

#learnwithBrainly

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The mass of an object is 32g and its density is 17g /mL. what is its volume
guajiro [1.7K]

Explanation:

here,

Mass (m)= 32 g =0.32 kg

Density(d)= 17 g/ml

volume (v)=?

we know that,

d=m/v

17=0.32/v

v= 0.32/17

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3 0
3 years ago
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A. Indicate whether the following descriptions refer to electrolytes or to non-electrolytes.
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Answer:

1.non electrolytes

2.electrolytes

3.non electrolytes

4.electrolytes

5.electrolytes

6.electrolytes

Explanation:

electrolytes are substance in their molten form which can be decomposed by the passage of electricity exay includes acids,base and salts etc were as non electrolytes cannot be decomposed by the passage of electricity example alcohol,sugar organic solvents etc. Electrolytes in the body like potassium, sodium in their molten form helps to keep the electrical circuitry of the heart well

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Which characteristic makes legumes a good food source for food-insecure<br> populations?
vova2212 [387]

Legumes are much easier to grow than other plants, and are more adaptable.

6 0
4 years ago
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Suppose you want to use a combustion chemical reaction to cook hot dogs and hamburgers. what type of reaction would you want? a
guajiro [1.7K]

Answer : The correct answer is a) an exothermic reaction that releases energy.

Combustion reaction is generally referred as burning or when hydrocarbon reaction with oxygen to produce carbon dioxide and water . Combustion reaction releases energy. Example :

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The reaction which releases energy or heat are known as Exothermic reactions .

Since it says hot dogs and hamburgers are cooked means they are undergoing combustion chemical reaction and so they are exothermic reactions. So option a) an exothermic reaction which releases energy is correct .

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Igoryamba

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