A detrimental effect of bush burning is that it
Destroys soil organic matter
Destroys weed seeds
Sterilizes the soil
Adds potash to the soil
Correct answer is A
Bush burning as the name goes destroys organic matter in the soil due to high temperature.
I, II and III only
I, II and IV only
I, III and IV only
I, II and IV
Correct answer is C
No explanation has been provided for this answer.
I and II only
I and IV only
II and III only
III and IV only
Correct answer is B
No explanation has been provided for this answer.
I, II and III only
II, III and IV only
I, II and IV only
I, II, III and IV
Correct answer is C
Deforestation involves cutting of forest trees and is not done to conserve wildlife, expansion of land for cultivation leads to clearing of forest trees, even urban growth leads to cutting of forest trees to accommodate building structures.
Which of the following statements is a disadvantage of human power? It
Controls other sources of farm power
Brings about least damage
Is easily available and controlled
Has low output
Correct answer is D
Option D is correct because low output is a drawback of human power.