kailan po ba lumalaki at lumiliit ang tubig sa dagat?at saan naman ito kumukuha ng tubig para lalaki ang tubig?
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What is coal?
What is diamond?
What is vein in geology?
What is ampourpose?
How has the earth changed since it was formed?
What is concentrate?
What is 'geologic time'?
Discuss major factors that influence mass movements?
Explain me structural geologists?
What is gangue in geology?
What is slag in geology?
Why are minerals and petroleum important for manitoba?
What did radon detection in arid areas can help to explore?
What is erosion?
What is petroleum?