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  1. Soil texture triangle (video) | Khan Academy

    Soil texture, determined by the proportions of sand, silt, and clay, plays a crucial role in plant growth. The soil texture triangle helps categorize soil into 12 types based on these …

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  3. Earth systems and resources | Khan Academy

    Examine the structure and composition of soil and the processes that cause erosion. Use the soil texture triangle to compare soil types based on their proportions of sand, silt, and clay.

  4. Angles of a triangle (review) | Geometry (article) | Khan Academy

    As you know, an isosceles triangle has 2 sides of equal length, aka. congruent sides. It turns out, the 2 angles that aren't made by those sides will consequently have equal measure.

  5. Unit 4: 4th quarter: Earth and Space - Khan Academy

    Level up on the above skills and collect up to 320 Mastery points Start quiz

  6. Week 3 | Revision Term 1: OD Science Grade 7 | Khan Academy

    Level up on the above skills and collect up to 1,280 Mastery points Start quiz

  7. Corresponding points and sides of scaled shapes - Khan Academy

    With a right triangle, you look for the hypotenuse, which is the side that does not make up the right angle. You look for the measures of the sides that make up the right angle and put them in the …

  8. Intro to the Pythagorean theorem (video) | Khan Academy

    Now, with the Pythagorean theorem, if we know two sides of a right triangle we can always figure out the third side. And before I show you how to do that, let me give you one more piece of …

  9. Land : Layers of soil and its formation (video) | Khan Academy

    What are the main factors that contribute to soil fertility, and how do the different soil horizons support plant growth?

  10. Soil Preparation (video) | Types of soil | Khan Academy

    In this video, we explore the importance of soil preparation in farming. Learn how loosening and leveling the soil helps roots grow, improves aeration, and boosts nutrient availability for plants.