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Read the given extract.
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Why are ice streams important to study?
Answer as written by the student:
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Ice streams are important to study because they affect the stability and dynamics of the Antarctic ice sheet and the global sea level.
Step-by-step explanation of the answer:
This is a reason question, which means you have to give a logical and relevant answer based on the extract. 🧮
To answer a reason question, you have to look for clues that tell you why something is true or important in the extract. 🗝️
- Sometimes, the clues are cause and effect relationships, which show how one thing leads to another. For example, “If they were to collapse, they could raise sea levels by several metres.”
- Other times, the clues are comparisons and contrasts, which show how one thing is similar or different from another. For example, “They move much faster than their surroundings.”
- In this extract, the clues are both cause and effect relationships and comparisons and contrasts, which show how ice streams influence the Antarctic ice sheet and the global sea level. 🌊
- The author explains that ice streams are responsible for draining a significant portion of the Antarctic ice sheet, which means they control how much ice is lost or gained in Antarctica. 🧊
- The author also explains that ice streams are sensitive to change and can respond rapidly to global warming, which means they can speed up or slow down depending on the temperature and pressure. 🔥
Therefore, based on these clues, we can give the reason why ice streams are important to study as follows: Ice streams are important to study because they affect the stability and dynamics of the Antarctic ice sheet and the global sea level. 💡
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