แบบทดสอบราย (ว32101) ม.2 (หน่วยที่2เรื่องกระบวนการเปลี่ยนแปลงทางธรณี)

The movement of tectonic plates (answer 2) and the uplift of mantle rocks at the plate boundaries (answer 3) are the main reasons for the increasing separation between the continents of America, Europe, and Africa. The movement of tectonic plates causes the continents to shift and drift apart over time. This movement is driven by the flow of mantle rocks in the Earth's interior, which pushes the plates and causes them to move. As the plates move, they create tension and pressure at their boundaries, leading to the uplift of mantle rocks and the formation of mountains. This continuous process of plate movement and uplift gradually increases the distance between the continents.

The correct answer is 2 1 4 3. This sequence explains the process of an earthquake. First, the Earth's crust expands and contracts unevenly (2), causing stress to build up. Then, the heat from the Earth's core causes the lower part of the crust to expand more than the upper part (1). This creates pressure that is released in the form of waves (3), which propagate through the surrounding area. Finally, the pressure causes some parts of the crust to crack and separate, while others collide (4), resulting in an earthquake.

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ข้อความในข้อนี้ไม่ถูกต้อง เพราะคำว่า "สิ่งมีชีวิต" ไม่ใช่ตัวการที่สำคัญที่สุดที่ทำให้เกิดการผุพังทางเคมี การผุพังทางเคมีสามารถเกิดขึ้นได้ด้วยหลายปัจจัย เช่น การกระแสน้ำ, การกร่อนที่เกิดจากปฏิกิริยาเคมี และอื่นๆ ซึ่งไม่จำเป็นต้องมีสิ่งมีชีวิตเข้ามาเกี่ยวข้อง

The correct answer is that the uplift of the continents is caused by the pressure exerted by the underlying rock layers. This is known as tectonic uplift, which occurs when the movement of tectonic plates causes the rocks beneath the continents to be compressed and pushed upwards. This process can result in the formation of mountains and other elevated landforms.

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The given answer is correct because the characteristics described in the question, such as wide plains, mountains, hills, and coastal plains, are found in the central, eastern, and northern regions of Thailand. The western and southern regions are not mentioned in the given characteristics.

The correct answer is "แบบกรวยภูเขาไฟสลับชั้น, ลาวา". This is because the question asks for the type of volcano that has a similar appearance to the picture shown, and the answer choice "แบบกรวยภูเขาไฟสลับชั้น" describes a stratovolcano, which is characterized by its alternating layers of lava and ash. Additionally, the letter A is described as "หินหนืดที่พุ่งมาจากการระเบิดของภูเขาไฟ" (rock fragments ejected from a volcanic eruption), which is commonly known as "ลาวา" (lava).

Based on the given image, the correct answer is A and D. This is because the river flow in A and D shows a curve, indicating that these riverbanks are more susceptible to erosion and soil erosion. Therefore, building a dam in these locations would help prevent soil erosion and protect the residences located there.

The correct answer is "แผ่นเปลือกโลกขนาดเล็ก – แผ่นแอนตาร์กติก". This is because the relationship between the two terms is not clear or logical. The other options have a clear relationship between them, such as a person's name and their profession or a geographical feature and its characteristic. However, "แผ่นเปลือกโลกขนาดเล็ก" and "แผ่นแอนตาร์กติก" do not have any obvious connection or relationship.