THE GEOLOGY

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Lesson 1 : Effect of Geosphere ( Soil page 74 )

Earth Science - Science

Use these words:

minerals – clay – water – humus – sand – soil

Earth's soil

Earth Science - Science

answer all questions

эрвээхэйн амьдралын эргэлт

Earth Science - Science

интерактив даалгавар

planets

Earth Science - Science

cut and paste