What is soil?: It is the top fertile layer of the ground., What is humus?: It's a dark-coloured organic material., How does humus form?: It is formed from tiny particles of dead animals and plants., How does soil form?: Natural forces make rocks break-up or weather into smaller pieces.,

Unit 3.7 - Ground and Soil (questions and answers)

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Integrere

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?