Question
Which of the following statements regarding shifting
cultivation is NOT true?Solution
Shifting cultivation is not sustainable because the cycle has increased, leading to soil degradation
In which form is iron ore primarily found in nature?
What is the colour of the outer zone of complete combustion of candle flame?
The atomic bomb is based on which principle?
Acid rain is caused due to pollution of the atmosphere by:
Which acid is found in vinegar?
Which of the following is a water soluble vitamin?
Terylene is a condensation polymer of ethylene glycol and which acid?
In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?
Water from soil enters into the root hairs owing to :
A radioactive substance emits?