Questions

Cohesion refers to attraction between molecules of the same kind while adhesion refers to attraction between different kinds of molecules

To display current date and time in MS Excel, we use Now() method. 

A bottle has a mouth from which we used to drink water or any juice. But it cannot smile.

Hydroelectricity is electricity produced from hydropower i.e, water.

There are 8 different types of Soils present in India. They are primarily differentiated on the basis of composition and structure. They are ::

1.  Alluvial soils, 

2.  Black soils,

3.  Red soils,

4.  Laterite and Lateritic soils,

5.  Forest and Mountain soils,

6.  Arid and Desert soils,

7.  Saline and Alkaline soils and

8.  Peaty and Marshy soils.

Heat transfer through radiation takes place in form of electromagnetic waves mainly in the infrared region. It depends on nature of the body, its temperature and kind & extent of its surface.