Layers of soil
This is the uppermost layer of soil, composed of a mix of organic material and minerals, where most plant roots are found.
O Horizon or topsoil
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This stage of the water cycle involves the evaporation of water from bodies of water like lakes, rivers, and oceans.
evaporation
This agent of weathering involves water that can physically break down rocks through erosion and abrasion.
water
This is the shorthand way to express numbers that are too large or too small by using powers of 10.
scientific notation
This soil layer is rich in minerals and lies directly below the topsoil, often referred to as the subsoil.
B Horizon or subsoil
This is the flow of water in the form of streams and rivers that drains an area of land into an ocean, lake, or another body of water.
river system
In this stage, water vapor in the atmosphere cools down and condenses to form clouds.
condensation
Weathering can break down rocks, but this process involves the actual movement and transportation of the weathered material.
erosion
These are rocks that form from the cooling and solidification of molten material.
igneous rocks
This layer of soil contains weathered bedrock and other parent materials that may eventually break down into soil.
C Horizon
This describes the movement of water from the land surface into bodies of water like rivers, lakes, and oceans.
runoff
This stage includes any form of water that falls from the atmosphere to the Earth's surface, such as rain, snow, or hail.
precipitation
This form of chemical weathering involves minerals in rocks reacting with acids produced by rainwater, which contains dissolved carbon dioxide.
acid rain
This imaginary line is located at 0 degrees longitude and divides the Earth into Eastern and Western Hemispheres.
Prime Meridian
This layer consists of weathered bedrock and unconsolidated materials that have not yet formed into soil.
R Horizon or bedrock
These are smaller streams of rivers that join the main river, adding to its flow.
tributaries
This is the complete cycle that includes the movement of water through evaporation, condensation, precipitation, and runoff.
water cycle
This weathering agent plays a key role in shaping landforms by breaking down rocks through processes like frost wedging and abrasion.
ice or glaciers
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What's the two types of weathering and how do they differ?
This layer of the Earth is mostly liquid iron and nickel, and it is responsible for generating Earth’s magnetic field.
outer core
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What is 4.56 × 10⁻⁵?
This dark, nutrient-rich layer of soil contains organic matter like decomposed plants and animals, essential for plant growth.
O Horizon or humus layer
This term refers to the large collection of water systems that supply water to a region, typically involving rivers, lakes, and groundwater.
river system
When water vapor condenses in cold air, it can form this phenomenon, especially near the ground.
fog
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What is the process of the water cycle?
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This satellite system allows for precise navigation and is used by devices like GPS.
This is the term for the process by which rocks break down into smaller pieces due to weathering, and those pieces later become new rocks.
rock cycle