Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

If a question calls mantle a completely molten ocean what is the correct evaluation?

Answer and explanation

Correct answer: Incorrect because mantle is mostly solid but may show slow flow

The mantle is the thick layer between Earth’s crust and core. It is made mainly of very hot, solid rock, not water or gas and not a completely liquid ocean. Because of the enormous heat and pressure, some mantle rock can deform and move extremely slowly over long periods. In certain regions, limited melting can occur, but this does not mean that the entire mantle is molten. Its slow movement helps explain processes such as convection and the movement of tectonic plates, while the mantle as a whole remains predominantly solid.

Option B is correct because it states both essential facts: the mantle is mostly solid, and it can show slow flow-like movement. Option A uses a false explanation and wrongly treats the mantle as water; option C confuses rock with gas; and option D incorrectly places the mantle outside Earth. Therefore, calling the mantle a completely molten ocean is an inaccurate statement. The careful evaluation is to reject the claim while remembering that solid rock can slowly deform under great heat, pressure and geological time.

Related tags

MantleSolid RockMisconception

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.