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Peb chav tsev ua yeeb yaj kiab thiab vis dis aus tsuas tso saib tau los yog rub tawm los ntawm cov tswv cuab nkaus xwb
Txuas ntxiv saib xyuas dawb ➞Nws yuav siv sij hawm tsawg dua li 1 feeb Mus Sau Npe Sau Npe ces koj tuaj yeem txaus siab rau Cov Yeeb Yaj Kiab Unlimited & Cov npe TV.
Rocks: Where They Come From 1963 Pub dawb Kev Nkag Mus Siv
Follows Don as he sees different kinds of rocks at a granite quarry, sandstone cliff and museum. Demonstrates the effects of water, heat and pressure in the formation of rocks.
Sijhawm Sawv: 10 feeb
Zoo: HD
Tso Tawm: Jan 01, 1963
Ncig Teb Chaws: United States of America
Lus:
