Why is it difficult to push an empty glass bottle into a tank? Why is it difficult to push an empty bottle into a tank…
Why is respiration necessary for both plants and animals? respiration is important because it provides the energy for living organisms to perform all of the…
What is called Mega city? The term ‘megacity’ refers to metropolitan areas with a total population of more than 10 million people. Why is São…
What information does the messenger bring to Macbeth? A messenger brings news that the King will stay at the Macbeths’ castle that night. Lady Macbeth…
How do you know it is a responsibility? Oxford dictionary defines responsibility as:”The state or fact of being accountable or to blame for something. This…
What are astronomy subjects? The core subjects of study in astronomy include; Physics. Mathematics. Quantum mechanics. Celestial and fluid mechanics. Positional Astronomy. Space physics. Astronomical…
Do waterspouts ever make landfall? If a waterspout moves onshore, the National Weather Service issues a tornado warning as some of them can cause significant…
How do you make a rocket school project? You need just a few common items to make your rocket, many of which you probably already…
What does a sweep generator do? A sweep generator is a piece of electronic test equipment similar to, and sometimes included on, a function generator…
What did John Wesley Powell do? Explorer, scientist, geographer, ethnologist. John Wesley Powell (1834-1902) was historic and heroic for being first to lead a daring…
What do you mean by periodicity? Definition of ‘periodicity’ 1. the tendency, quality, or fact of recurring at regular intervals. 2. Chemistry. the occurrence of…