May 2021

How bad does it feel to break a bone? If you’ve broken a bone: you may hear or feel a snap or a grinding noise as the injury happens. there may be swelling, bruising...

What are the two endpoints of the axis called? Two end points of the axis are called poles… Where is the endpoint of the earth? Antarctica – End of the Earth. Which place is...

Why do the tropics only have 2 seasons? This is because the tropics get more exposure to the sun. Because of all that sun, the tropics don’t experience the kind of seasons the rest...

Why does sunlight look different in winter? The reason it looks different is the angle of incidence of earth is different in the different season so the light passes through more or less atmosphere...

How can we recognize physical and chemical changes? In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical...

What are the disadvantages of natural fertilizer? What are the disadvantages of using organic fertilizers? Not All Products Are Created Equally. Not all products are created equally and many organic products produce inconsistent results....

What is Colour of sodium? silvery-white Why is sodium chloride yellow flame? When you burned the skewer tip coated with sodium chloride, you should have seen that the flame on the sodium chloride was...

Is sphalerite a mineral? Sphalerite, also called blende, or zinc blende, zinc sulfide (ZnS), the chief ore mineral of zinc. It is found associated with galena in most important lead-zinc deposits. What is a...

What is a cavity in rock made when an organism decayed *? Molds are formed when an organism is buried by sediments and the sediments change into rock. The organism decays and leaves a...

What is open resonator? an oscillatory system formed by a set of mirrors in which weakly damped electromagnetic oscillations in the optical and superhigh-frequency (SHF) ranges can be excited and maintained, with radiation into...