aking of the smoothriver stone. Expt. 96. How Alluvial Soils are formed.— (a) Observe that in rainy weatherthe river is discoloured, owing toclay and vegetable matter in sus-pension, and that this is depositedin the form of silt and mud wherethe water flows slowly. (b) Collect a vessel of… … Fig. 28.—Sediment inRiver water EXPERIMENTS AND PRACTICAL WORK 61 Expt. 97. Action of Water containing Carbon Di-oxide.—Observe that if pure water is poured on lime-stone no change takes place, but that if muriatic acid,vinegar, or limejuice is poured on it it is graduallydissolved. In a similar…
Nature study -- Juvenile literature · Natural history -- Tropics · Natural history -- Jamaica
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