Erosion can be reduced along shape by
Erosion can be reduced along shape by A. ridging across slope B. ridging up slope C. ridging down…
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If a handful of soil is shaken with water and left to settle, the soil…
If a handful of soil is shaken with water and left to settle, the soil particles will settle…
Which of the following lists of diseases, their causes and transmission is CORRECT?
Which of the following lists of diseases, their causes and transmission is CORRECT? A. Cholera, virus, severe diarrhoea,…
Which of the following groups of factors is completely abiotic?
Which of the following groups of factors is completely abiotic? A. Salinity, tide, plankton, turbidity B. Temperaure, pH,…
Which of the following is NOT regarded as a pollutant on land or in the…
Which of the following is NOT regarded as a pollutant on land or in the air? A. smoke…
An anemometer is an instrument for measuring
An anemometer is an instrument for measuring A. relative humidity B. altitude C. wind speed D. turbidity E.…
Green plants are important in the ecosystem because they are
Green plants are important in the ecosystem because they are A. primary consumers B. producers C. decomposers D.…
Heat produced in tissue respiration in plants is
Heat produced in tissue respiration in plants is A. a chemical form of energy B. the only form…
The axial skeleton of a mammal does not include the bones of the
The axial skeleton of a mammal does not include the bones of the A. skull B. tail C.…
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network…
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2.…