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Here are the answers to the questions based on the passage provided.

Underline all the main points in the paragraph above:
*(Since I cannot draw on the image, here are the sentences you should underline as they contain the main ideas)*
1. Have you ever wondered why skies are sometimes deep blue and at other times almost red?
2. The reason is that the mixture of gases in the atmosphere is constantly changing.
3. Every color in the sky comes from the Sun.
4. Sunlight is white, but it is made up of every color in the rainbow.
5. But as it passes through the atmosphere, gases, dust, ice crystals, and water droplets split all the various colors, bouncing them toward our eyes until the light reaches the Sun.
6. The colors we depend on which enter our airfield and when we absorb.
7. Clear skies are blue, because gas in the air reflects mostly blue light from the Sun.
8. The colors get paler when extra dust or moisture reflects other colors, diluting the blue.
9. Sunsets are yellow or red, at the end of the day because the Sun’s rays have to travel so far through the lower atmosphere that all the yellow light is absorbed.

Then answer these questions in complete sentences.

What color is sunlight?
Sunlight is white, but it is actually made up of every color found in a rainbow.

Why is the sky blue?
The sky is blue because the gas in the air reflects mostly blue light from the Sun toward our eyes.

What do you notice about the first four words? Why do you think she set out this way?
The first four words are "Have you ever," which forms a question. The author likely started this way to grab the reader's attention and make them curious about the topic before explaining the science behind it.

What kind of sentences introduce the passage?
The passage is introduced by an interrogative sentence (a question) followed by declarative sentences (statements) that provide the explanation.

Watch such as the reason is, because, and which means tell us that this piece of writing does more than list facts. What else does it do?
These words indicate that the writing explains cause and effect. Instead of just listing facts, the author is explaining *why* things happen (the causes) and what happens as a result (the effects).

Final Answer:
Main Points to Underline:
* "Have you ever wondered why skies are sometimes deep blue and at other times almost red?"
* "The reason is that the mixture of gases in the atmosphere is constantly changing."
* "Every color in the sky comes from the Sun."
* "Sunlight is white, but it is made up of every color in the rainbow."
* "Clear skies are blue, because gas in the air reflects mostly blue light from the Sun."
* "Sunsets are yellow or red... because the Sun’s rays have to travel so far through the lower atmosphere that all the yellow light is absorbed."

Question Answers:
1. What color is sunlight? Sunlight is white, composed of every color in the rainbow.
2. Why is the sky blue? The sky appears blue because gases in the atmosphere reflect blue light from the Sun.
3. First four words observation: The first four words ("Have you ever") ask a question. This is done to engage the reader and spark curiosity about the subject.
4. Introductory sentences: The passage begins with a question (interrogative sentence) to hook the reader, followed by statements that explain the answer.
5. Function of transition words: Words like "because" and "the reason is" show that the text explains cause-and-effect relationships, helping the reader understand *why* phenomena occur rather than just stating *what* occurs.