In Country A, the opportunity cost of one paper clip is 1/2. Option C
<h3>What is opportunity cost?</h3>
The opportunity cost refers to the alternative forgone in production. It means that it is the option that is chosen in the midst of other possibilities.
We can see from the table that in Country A, the opportunity cost of one paper clip is 1/2.
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Missing parts
If countries A and B produce only either rubber bands or paper clips, their maximum outputs are shown in the accompanying production possibilities schedules.
In country A the opportunity cost of 1 paper clip is
A.2 rubber bands.
B.1 rubber band
C.1/2 rubber band.
D.1/4 rubber band.
<h2>1. Right answer: Observational
</h2>
Kepler formulated the three laws of planetary motion <u>from observations made by</u> the Danish astronomer <u>Tycho Brahe of the orbit of Mars.
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These laws were enunciated to mathematically describe the movement of the planets in their orbits around the Sun. However, the scientific resources existing in his time did not allow him to prove these laws. It was Newton who did it after having developed the Differential and Integral Calculus and formulating the Laws of Universal Gravitation.
<h2>2. Right answer: Aristotelian
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Aristotle mistakenly thought that the Earth was the center of the universe, thus establishing a <u>geocentric cosmological model.
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According to this model, Aristotle proposed that the universe (the cosmos) was spherical and finite, with the Earth immobile at its center, composed of the four fundamental elements (made up of spherical layers): ground, water, air and fire; and the Sun along with the fixed planets in their respective concentric spheres revolving around the Earth. The outermost sphere being that of the stars and all these external elements being made of a fifth element which he called ether.
Answer:
Brown rat and eastern gray squirrel
Explanation:
There a lot of great poets and philosophers in the world today. The author believes the audience of the speech will recognize an implicit reference to Shakespeare and agree about his importance.
- There have been a lot of English literature. One of the greatest poet of all time is William Shakespeare.
He was known for his famous quote where He said that All the world, is a stage, and all the men and women merely players.
The author recognize the importance of Shakespeare and his impressive work of literature.
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Answer: Nitrogen; fixation
Explanation:
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
Fixation consists of two steps: cessation of normal life functions in the tissue (killing) and stabilization of the structure of the tissue (preservation). The goal of fixation is to preserve structure as faithfully as possible compared to the living state.
