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Which statement correctly considers combined factors on vegetation?

Answer and explanation

Correct answer: Vegetation is affected not only by rainfall but also by soil, temperature and land

Vegetation does not depend on rainfall alone. Rainfall supplies water, but plants also need suitable soil, temperature, sunlight, relief, and land conditions. Soil influences water storage, drainage, and nutrient availability. Temperature affects germination, growth, and the length of the growing season. Relief and land surface can change drainage, exposure, and local climate. The actual vegetation of a place is therefore the result of several factors working together rather than one isolated cause.

Option A is correct because it recognizes the combined influence of rainfall, soil, temperature, and land. The other statements incorrectly deny the role of important physical factors or give a non-scientific cause. Rainfall may be a major factor in many regions, but it cannot by itself explain every vegetation pattern. A complete answer considers the interaction of climate, soil, and land characteristics.

Related tags

Combined FactorsVegetationSoil Temperature Rainfall

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