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Answer:
<em>Answer</em><em> is</em>
<em>3</em><em>x</em><em>√</em><em>5</em><em> </em>
<em>=</em><em> </em><em>(</em><em>3</em><em>)</em><em> </em><em>(</em><em>x)</em><em> </em><em>(</em><em>√</em><em>5</em><em>)</em>
<em>=</em><em> </em><em>(</em><em>x)</em><em> </em><em>(</em><em>3</em><em>)</em><em> </em><em>(</em><em>√</em><em>5</em><em>)</em>
Answer:
d. All of these
Explanation:
A timeline can be defined as a graphical representation of a series of important events in order in which they have occurred i.e in a chronological or sequential order. Thus, a timeline shows the order of events from top to bottom or left to right, starting with the earliest and moving forward to the most recent (latest).
Generally, a timeline is typically considered to be a cause and effect graphic organizer due to the fact that it illustrates events in a chronological or sequential order, their place in history, and how these events are interrelated or led to another.
This ultimately implies that, timelines show;
a. The order of events.
b. An event’s place in history.
c. Why an event may have taken place.
<em>For example, a timeline can be used to show the order in which the various battles fought during the American Revolutionary War occurred. </em>
<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.
</u>
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
</h2>
Aristotle mistakenly thought that the Earth was the center of the universe, thus establishing a <u>geocentric cosmological model.
</u>
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.
