The correct answer is A. To give instructions on how to make a pinhole viewer in order to see a solar eclipse.
Explanation
According to the previous text, it can be affirmed that the text has the objective of giving instructions on how to make a hole viewer to see a solar eclipse because the author uses a structure in which he takes sequential steps to elaborate a solar viewer. For example, the author gives four steps to make the viewer using two cardboards and pinhole. So, the correct answer is A. To give instructions on how to make a pinhole viewer in order to see a solar eclipse.
Al Gore shows that the levels of atmosphere carbon dioxide have varied throughout Earth's history. In the graph, the carbon dioxide levels have significantly increased recently. It is the highest the level has ever been and is expected to continue to rise. In his presentation, he shows that the levels of carbon dioxide in the atmosphere have a direct correlation to the temperature of the Earth. If carbon dioxide levels go up, so does the Earth's temperature. He states that this is important because the temperature of the Earth affects the weather as well as the disappearance of the polar ice caps. He makes this point about carbon dioxide levels to encourage the people of the world to do something before global warming becomes an even larger problem.
Brian save the pieces of aluminum from the <span>fuselage to be used by him in his stay in the forest. He could use it to signal airplanes hovering above the forest by finding sunlight. The light that would be reflected with the aluminum can catch the attention of possible airplane flying above him.</span>
