Questions

The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.

In brief, Study of both quantitative and qualitative aspects of human population.

1. Quantitative aspects include composition, density, distribution, growth, movement, size, and structure of the population.

2. Qualitative aspects are the sociological factors such as education quality, crime, diet, development, nutrition, wealth and well being.

"The moon smiled at me" is the example of personification in the given options.

Personification is a technique in which we give objects human traits like emotions, gestures, speech,... by using metaphor. 

Here moon is an object which cannot smile but using metaphor sense, we gave that sense to it.

Convection is the mode of heat transfer which involves bulk motion of a fluid to transfer heat. Energy transfer by convection is primarily restricted to fluids. Fluids can be both liquids and gases.

Monopoly is an economic term that describes a single company or entity controlling one hundred percent of the supply of a particular product. Carnegie Steel is one of the argest monopoly of steel industry during the Gilded age.

World Consumer Rights Day is being observed today (15 March 2017) which is an awareness day and theme for this year is 'Building a Digital World Consumers can trust'.

Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal. 

It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea.

Hence, Makaibari is the costliest variety of Tea.