comparing earth’s inner layers
use what you have learned to match the parts of the sentences.
the core
the part that includes land and water
the mantle
the crust
is under the crust.
is called the crust.
is the outermost layer.
is both solid and molten

Question

Accepted Answer

# Brief Explanations:
To solve this, we recall the characteristics of Earth's layers:
1. The core: Earth's core has a solid inner part and molten outer part, so "The core" matches "is both solid and molten".
2. The part with land and water: The crust includes the land (continental crust) and water (oceanic crust), and the crust is the outermost layer? Wait, no—wait, the crust is the outermost layer, and the part with land and water is the crust. Wait, let's correct:
- The core: is both solid (inner core) and molten (outer core) → matches "is both solid and molten".
- The part that includes land and water: the crust (continental crust has land, oceanic crust has water) → and the crust is the outermost layer? Wait, no, the crust is the outermost layer, so "The part that includes land and water" is the crust, and the crust is the outermost layer? Wait, the options:
Right column:
1. is under the crust → mantle?
2. is called the crust → no, the left has "The crust" as a term. Wait, let's list all:

Left (subjects):
1. The core
2. The part that includes land and water
3. The mantle
4. The crust

Right (predicates):
1. is under the crust
2. is called the crust
3. is the outermost layer
4. is both solid and molten

Now, correct matches:
- The core: is both solid and molten (inner solid, outer molten) → matches "is both solid and molten".
- The part that includes land and water: the crust (continental crust: land; oceanic crust: water) → and the crust is the outermost layer? Wait, "is called the crust" would be if the subject is "The part...", so "The part that includes land and water" is called the crust? Wait, no—wait, the crust is the outermost layer, and it includes land (continental crust) and water (oceanic crust). So "The part that includes land and water" is the crust, so it "is called the crust"? No, the subject is "The part...", so the predicate "is called the crust" would mean that part is the crust. Then "The crust" as a subject would match "is the outermost layer". Then "The mantle" is under the crust, so "The mantle" → "is under the crust". Let's re-express:

1. The core → is both solid and molten (because inner core is solid, outer is molten)
2. The part that includes land and water → is called the crust? Wait, no—wait, the crust is the part with land (continental) and water (oceanic), so "The part that includes land and water" is the crust, so it "is called the crust"? No, the subject is "The part...", so the predicate "is called the crust" would mean that part is the crust. Then "The crust" (subject) → "is the outermost layer" (since crust is outermost). "The mantle" (subject) → "is under the crust" (mantle is below crust). Let's verify:

- The core: is both solid and molten ✔️ (inner solid, outer molten)
- The part that includes land and water: is called the crust? Wait, no—wait, the crust is the outermost layer, and it includes land and water. So "The part that includes land and water" is the crust, so it "is the outermost layer"? Wait, the right column has "is the outermost layer" as an option. So:

- The core: is both solid and molten (matches "is both solid and molten")
- The part that includes land and water: is the outermost layer (because crust is outermost, and crust has land and water)
- The mantle: is under the crust (mantle is below crust)
- The crust: is called the crust? No, the left has "The crust" as a subject, so the right predicate "is called the crust" would be redundant. Wait, no—maybe I mixed up. Let's use standard Earth layer knowledge:

- Crust: outermost layer, includes continental (land) and oceanic (water) crust.
- Mantle: below crust.
- Core: inner, with solid inner core and molten outer core.

So:

1. The core → is both solid and molten (correct)
2. The part that includes land and water → is the outermost layer (because crust is outermost and has land/water)
3. The mantle → is under the crust (correct)
4. The crust → is called the crust? No, the crust is the crust, so maybe "The crust" → "is the outermost layer" (but that's what the part with land/water is). Wait, no—let's list all matches properly:

- The core: is both solid and molten (matches "is both solid and molten")
- The part that includes land and water: is the outermost layer (matches "is the outermost layer")
- The mantle: is under the crust (matches "is under the crust")
- The crust: is called the crust? No, that doesn't make sense. Wait, the right column has "is called the crust"—maybe the subject "The part that includes land and water" is called the crust, so:

- The core: is both solid and molten
- The part that includes land and water: is called the crust
- The mantle: is under the crust
- The crust: is the outermost layer

Yes, that works:

- The core: is both solid and molten (correct)
- The part that includes land and water: is called the crust (because that part is the crust)
- The mantle: is under the crust (correct, mantle is below crust)
- The crust: is the outermost layer (correct, crust is outermost)

So now, matching each left to right:

1. The core → is both solid and molten
2. The part that includes land and water → is called the crust
3. The mantle → is under the crust
4. The crust → is the outermost layer

So the correct matches are:

- The core → is both solid and molten
- The part that includes land and water → is called the crust
- The mantle → is under the crust
- The crust → is the outermost layer

# Answer:
1. The core → is both solid and molten
2. The part that includes land and water → is called the crust
3. The mantle → is under the crust
4. The crust → is the outermost layer

(To present as the matching, each left item connects to the corresponding right item as above.)

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