Who came first between man and beast?
The development of life is gradual. First, unicellular organisms such as amoeba became bacteria, followed by multicellular organisms. The development of life took place first
Why is fire put out with water?
A fire occurs when the combustible material comes into contact with enough oxygen in the presence of sufficient heat to enable the chain reaction to
Why does the color of the sky appear blue?
The atmosphere around the earth is air. It contains molecules of many types of gases and water droplets or steam. The highest among the gases