Question
Which of the following technique is used to reduce soil
erosion, evaporation, kinetic energy impact of rain drops?Solution
Many materials are used as mulches, which are used to retain soil moisture, regulate soil temperature, suppress weed growth, reduces evaporation and many other uses.
___________ is an important mineral nutrient
Which of the following is also known as dry iceÂ
1 mole of carbon atoms = ______ g of carbon atoms
Who among the following developed the technology of under-ground nuclear explosion?
India tops the world in production ofÂ
Which part of cinnamon tree is used in condiments and medicines ?
What is the S.I. unit of electric potential difference?
What is the gravitational force on an object of mass 5 kg on Earth?
Zero group was introduced by
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)