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Kazeer [188]
3 years ago
15

Describe the inventions or discoveries of Aristarchus of Samos and Archimedes

History
1 answer:
borishaifa [10]3 years ago
3 0
Aristarchus’ only extant treatise is “On the Sizes and Distances of the Sun and Moon.” In it he calculated the diameter of the Sun as about seven times the diameter of the Earth, thus estimating the Sun’s volume as about 300 times the volume of the Earth
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Which is a conjugate pair in the following equilibrium
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H2C2O4(aq) + HPO4^2- --> HC2O4^- + H2PO4- 

<span>The conjugate base of a weak acid is the anion which remains when H+ is removed. </span>
<span>H2C2O4 <==> H+ + HC2O4^- </span>
<span>acid ............. .......... conjugate base </span>

<span>H2PO4^- <==> H+ + HPO4^2- </span>
<span>acid ............. .......... conjugate base</span>
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Which statements best describe the plantation system in Ireland? Check all that apply.
Helen [10]

Plantation system in Ireland describes that the plantations were created from confiscated land,  it were operated by Protestant landowners, most land in Ulster was owned by Scottish and English settlers, and Irish tenant farmers had to sell the crops they grew to pay rent.

<h3>What is a plantation system?</h3>

A plantation system economy means that it is centered on large-scale agricultural mass production, mainly of a few commodity crops, on enormous farms known as plantations.

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The plantation system in Ireland recounts how plantations were built on confiscated property and administered by Protestant landlords. The majority of land in Ulster was owned by Scottish and English settlers, and Irish tenant farmers were forced to sell their harvests to pay rent.

Therefore, the correct options are A, C, D and F.

Learn more about the plantation system, refer to:

brainly.com/question/3002395

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Explanation:

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