R

Reproduction 13, 17 Respiration 17, 77, 21, 22, 32, 33, 74, 76

Reverse osmosis (R.O.) 27, 27 unit 27, 27 water 37, 37, 67 River 72 Africa 125 fast-flowing 139 light zones 24 plants 24 systems 58 tropical 58 Rocks 11, 18, 79, 37, 37, 42, 54, 55, 75, 82, 89, 94, 96, 96, 97, 98, 99, 99, 102, 103, 116, 7 76, 7 77, 118, 119, 125, 725, 126, 134, 192 basalt 94 calcareous 94, 94 chalk 94 coal 94, 94

granite 94, 94, 97

lava 94, 97 limestone 94 marble 94 pebbles 94, 99 quartz 94, 94

rockwork 99, 102, 102, 194, 197 sandstone 94 slate 94 tufa rock 94 Rockwool 52, 53, 54, 55 Roots 17, 18, 18, 19, 38, 38, 39, 39, 40, 43, 45, 46, 47, 47, 49, 51, 52, 53, 54, 55, 67, 72, 74, 74, 75, 76, 80, 81, 81, 82, 83, 84, 119, 125, 725, 126, 168, 181, 182, 187, 189, 193, 194, 197

growth 76, 80 production 75 rhizoids 136

725, 126 rooting medium 193 tubers 19, 79

The COMPLETE guide to Aquariums

The COMPLETE guide to Aquariums

The word aquarium originates from the ancient Latin language, aqua meaning water and the suffix rium meaning place or building. Aquariums are beautiful and look good anywhere! Home aquariums are becoming more and more popular, it is a hobby that many people are flocking too and fish shops are on the rise. Fish are generally easy to keep although do they need quite a bit of attention. Puppies and kittens were the typical pet but now fish are becoming more and more frequent in house holds. In recent years fish shops have noticed a great increase in the rise of people wanting to purchase aquariums and fish, the boom has been great for local shops as the fish industry hasnt been such a great industry before now.

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