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.
Future perfect tense can be used to look back at an event or occurrence from a time in the future or to make a prediction. The correct perfect tense to be used in this sentence is;
The future perfect tense can be used to fill up the blank space here. The sentence can thus be rendered thus;
The cruise ship <u>will have arrived</u> at the last port of call before I finished packing.
This indicates that the ship will be at the port before the narrator finished packing. It is like a prediction of something that will happen in the future.
Therefore, option D is correct.
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Answer:
The theme of the story is "trusting family and friends when you need them"
It is easy to identify the theme, since the main character goes through an ordeal when he gets lost; however, relying on a friend lets him find the way out of the situation.
Building long-life relationships is also shown in the story as a virtue, since the character had a shy personality and it was really hard for him to make friends.
C sorry if wrong good luck