of landforms found on earth?
section 2
3. describe the earth’s layers.
4. what produced some of earth’s largest landforms?
section 3
5. what process keeps the amount of earth’s water constant?
52 unit 1

Question

of landforms found on earth?
section 2
3. describe the earth’s layers.
4. what produced some of earth’s largest landforms?
section 3
5. what process keeps the amount of earth’s water constant?
52  unit 1

Accepted Answer

### Question 3: Describe the earth’s layers.
# Brief Explanations:
The Earth has several layers. The outermost layer is the crust, which is solid and thin (continental crust is thicker, oceanic crust is thinner). Below the crust is the mantle, which is semi - molten (more solid near the crust, more fluid - like in the asthenosphere) and makes up a large portion of the Earth's volume. The core is at the center, with an outer core that is liquid (composed mainly of iron and nickel) and an inner core that is solid (due to extreme pressure, despite high temperature, also mainly iron and nickel).
# Answer:
The Earth has a crust (outermost, solid, thin: continental thicker, oceanic thinner), a mantle (semi - molten, large volume: more solid near crust, more fluid in asthenosphere), and a core (outer core: liquid, iron - nickel; inner core: solid, iron - nickel due to high pressure).

### Question 4: What produced some of Earth’s largest landforms?
# Brief Explanations:
Plate tectonics is the main process. When tectonic plates move, they can converge (leading to mountain building like the Himalayas, formed by the collision of the Indian and Eurasian plates), diverge (creating mid - ocean ridges or rift valleys like the East African Rift), or transform (causing fault - related landforms like the San Andreas Fault system). Volcanic activity (related to plate boundaries or hotspots) also creates landforms like volcanoes and volcanic islands (e.g., Hawaii).
# Answer:
Plate tectonics (convergent, divergent, transform plate movements) and volcanic activity produced some of Earth’s largest landforms. Convergent plates form mountains (e.g., Himalayas), divergent plates form mid - ocean ridges/rift valleys, transform plates form fault - related features, and volcanoes create volcanic landforms.

### Question 5: What process keeps the amount of Earth’s water constant?
# Brief Explanations:
The water cycle (hydrologic cycle) keeps the amount of Earth's water constant. In the water cycle, water evaporates from oceans, lakes, etc., into the atmosphere. It condenses into clouds and then precipitates back to the Earth's surface as rain, snow, etc. The water then flows back to bodies of water (runoff, groundwater flow) to repeat the cycle, so the total amount of water on Earth remains relatively constant.
# Answer:
The water cycle (hydrologic cycle) keeps the amount of Earth’s water constant. It involves evaporation, condensation, precipitation, and runoff/groundwater flow to recycle water.

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Question 3: Describe the earth’s layers.

Answer:

Question 4: What produced some of Earth’s largest landforms?