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Choose a reasonable measure for the land area of New York city. => 300 square miles or 300 square yards or 300 square feet or 300 square inches...

In the recent years, many modern techniques have been developed which have enabled scientists to manipulate the genetic material. These include recombinant DNA technology, transformation and transductio..

Speciation (origin of new species) - A species is a group of similar organisms, which can breed among themselves producing fertile offsprings. The members of a species not only share a common gene pool, but also share a common ancestry. Origin of a new species from the existing ..

A species is a group of similar organisms, which can breed among themselves producing fertile offsprings. The members of a species not only share a common gene pool, but also share a common ancestr..

Based on the positions in the periodic table, Mendeleev could predict the properties of some undiscovered elements. He left three blanks for elements that were not discovered at that time. He was able to predict the properties of these unknown elements more or less accurately. He named them eka-bo..

21 new members joined an organization in 1999. Now the number of employees in the organization is 300. Find the percent of new employees. => 12% or 19% or 17% or 7%..

The population of New York is _______ the population of Los Angeles in the year 1980. => equal to or less than or more than or five times..

In which year is the difference between the populations of New York and Los Angeles the largest? => 1990 or 1970 or 2000 or 1980..

Identify the event that is certain to happen on the New Year eve. => I would grow 8 feet tall on that day. or My house will fly in the air. or I′ll eat a cake. or All the stars will come down to Earth...

If the radius of a sphere increases by 10%, then what is the new surface area? => 1.21 times the original surface area or 2 times the original surface area or 1.1 times the original surface area or 0.1 times the original surface area..