(in all answers caps are important)
Glacier-for massive floating islands
1363181899730807241-for overhangs and archesherobrine-for snowy landscape with mountainHoly minecraft Batman-for (a little away from spawn) a giant crater area
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That's two seeds and another good one is Ant Venom. Ant Venom spawns you up in a great place in Tekkit also, by a big chasm with redstone almost directly underneath it and diamonds past the redstone, plus plenty of lava
flatering
no
-579322790607890076 is the seed and the map is custom
because emeralds were added to be able to trade with the villagers
Minecraft has no rain forests, the current boimes, (as of 1.8) are:ForestTaigaSwamplandExtreme HillsDesertPlainsOcean
You have to use a Iron Pickaxe to dig Emeralds ( Found in Extreme hills biome )
Pokemon on Minecraft is a mod, not a seed. Search the Minecraft Forum.
You cannot cheat to get emeralds on Minecraft PE. You can find emeralds in Desert Temples, Stronghold Chests and Blacksmith Shops. You can also find world seeds online that have the coordinates for Emerald so you can mine emerald quickly. Emerald is decoration only in Minecraft PE.
dimond
Yes i did i got 10 diamods for 3 emeralds in minecraft 1.3.1
Infinite, as everything in minecraft. However, they are quite rare, and it is easier just to trade for them.
There is no moon on minecraft.