STD 8 Th Geography

The correct answer is "तप्त" because a volcano erupts with hot lava, which is indicated by the word "तप्त" meaning hot.

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The correct answer is १ )घनरुप. The question states that the outermost part of the earth became cold first, indicating a change in its state. The term "घनरुप" refers to the solid state, which is characterized by a fixed shape and volume. Therefore, it can be inferred that the outermost part of the earth attained a solid state when it became cold.

The correct answer is "चुंबकीय". The question is asking for the term used to describe the magnetic field of the Earth. "चुंबकीय" is the adjective form of "चुंबक" which means magnetic. Therefore, "चुंबकीय" is the correct term to describe the magnetic field of the Earth.

The correct answer is "भुकवच". The reason for this is that the question is asking for the part of the Earth that is the densest. "भुकवच" means dense, so it is the correct answer.

The correct answer is "१ )तापमान" because the sentence is talking about something that increases as something else decreases. In this case, as the temperature (तापमान) decreases, the coldness (जाडी) increases.

The correct answer is १ ) २८७०. This is because the phrase "प्रावरणाची खोली ......... किलोमीटर असावे असा शास्त्रीय अंदाज आहे" suggests that the missing number should be in kilometers. Among the given options, २८७० is the only number in kilometers.

The correct answer is "अग्निजन्य" because when lava cools down, it solidifies and forms rocks. This process is similar to how molten lava from a volcano cools and hardens to form solid rocks. Therefore, when lava becomes cold, it creates rocks.

The correct answer is "वायुरूप" because the question is asking about the form or state of the Earth in terms of its temperature, and "वायुरूप" means "gaseous form" or "in the form of gas". This is a suitable answer as the Earth's atmosphere is primarily composed of gases.

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The correct answer is २) प्रावरणाचे. This is because the question is asking about two subcategories of प्रावरण (environment). The options given are वातावरणाचे (of the atmosphere), प्रावरणाचे (of the environment), and जलावरणाचे (of water bodies). Since the question is not specific about the type of environment being referred to, the correct answer is the general category of प्रावरणाचे (of the environment).

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The given statement is asking for the range between two numbers. The range is calculated by subtracting the smaller number from the larger number. In this case, the larger number is 45 and the smaller number is 16. Therefore, the range between the two numbers is 45 - 16 = 29.

The correct answer is "तापमान" because the question is asking about the main factor that affects the density of air moving from the Earth's surface to the atmosphere. Temperature is a major factor that affects the density of air. As temperature increases, the air molecules gain more energy and move faster, causing them to spread out and decrease in density. Therefore, temperature plays a significant role in determining the density of air.

The correct answer is "१ )द्रवरूप" because the word "प्राप्त" suggests that the Earth has attained a certain state or condition. The word "द्रवरूप" means liquid or fluid form, indicating that the Earth has transitioned into a liquid state. This explanation aligns with the given question and options.

The given answer is "१ )सिलिका". This is because silica is the main component of both glass and aluminum, which are mentioned in the question as "व अल्युमिनियम या मूलद्रव्यानी बनलेले आहे" (made from glass and aluminum). Therefore, the correct answer is silica.

The correct answer is "बाह्य" because the word "सूर्यमालेतील" suggests that the question is asking about the position or state of a planet in relation to the sun. The word "बाह्य" means "external" or "outer", indicating that the planet is in an outer position or state in relation to the sun.

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The correct answer is "बाह्यगाभा" because the question is asking about the substance formed in the outer core of the Earth. "बाह्यगाभा" translates to "outer core" in English, which is the correct answer.

The given question is asking for the term that describes Bhukvach as having significantly less heat compared to Gaba. The correct answer is "प्रावरण" which means "insulation" in English. This term suggests that Bhukvach has better insulation properties, resulting in less heat transfer.