Author: Sajib

Tidal Power   View Step By Step Explanation with Answer Keys   Undersea turbines which produce electricity from the tides are set to become an important source of renewable energy for Britain. It is...

You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 54 below: Attitudes to Language   View Step By Step Explanation with Answer Keys   It is not easy to...

A Neuroscientist Reveals How to Think Differently   View Step by Step Explanation with Answer Keys     In the last decade, a revolution has occurred in the way that scientists think about the...

Venus in Transit   View Step by Step Explanation with Answer Keys   June 2004 saw the first passage., known as a ‘transit` of the planet Venus across the face of the Sun in ...

  View Step by Step Explanation with Answer Keys   A Hearing impairment or other auditory function deficit in young children can have a major impact on their development of speech and communication, resulting...

THE HISTORY OF THE TORTOISE    View Step by Step Explanation with Answer Keys     If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising...

 IS THERE ANYBODY OUT THERE? The Search for Extra-Terrestrial Intelligence     View Step by Step Explanation with Answer Keys     The question of whether we are alone in the Universe has haunted humanity...

William Henry Perkin The man who invented synthetic dyes   View Step By Step Explanation with Answer Keys   William Henry Perkin was born on March 12, 1838, in London, England. As a boy,...

You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 118 below. Collecting Ant Specimens Collecting ants can be as simple as picking up stray ones and placing them...

You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 119 below. Biological Control of Pests The continuous and reckless use of synthetic chemicals for the control of pests...