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Fformatau Ar Gael Soil: What It Is and What It Does Sganio Diogel : 10/01/2024 Gwylio HD Dadlwythwch HD

Soil: What It Is and What It Does (1966)

1.798 Golygfeydd
100%
Explains that different kinds of soil are mixtures of sand, clay, and humus; tells how the weathering of rocks helps make soil; includes simple experiments to show the kind of soil in which different plants grow well.
Amser Cinio: 10 munudau
Iaith:
Gwlad: United States of America
Cast:
Criw:

Argymhelliad i Wylio