Questions

Absence of cell division is the process that never comes in interphase.

Hair grows everywhere on the skin except palms, sole of feet and lips on the human body. Hair is modified type of skin.

Secondary pollutants include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight.

Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels.

Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc.

Hence, Acidrain is a secondary air pollutant.

Author of the book Passage to India is E.M.Foster . This book is selected as one of the 100 great works of the english literature and won James Tiat Black  memorial prize for fiction in the year 1924

This 11.2 km/s is also known as the escape velocity. It works out to roughly 25000miles per hour