A) Write short note on.
1) Cement production,
2) Constellation
3) Human digestive system
Answers
Answer:
1. Cement manufacturing is a complex process that begins with mining and then grinding raw materials that include limestone and clay, to a fine powder, called raw meal, which is then heated to a sintering temperature as high as 1450 °C in a cement
2. A constellation is a group of stars which make up imaginary outline or pattern in the night sky (the celestial sphere). Usually they are said to represent an animal, mythological person or creature in a shape. ... Most constellations have names that come from Greek mythology, like Orion or Andromeda
3. The digestive system is the part of the body that digest food; it is also called the alimentary canal It breaks down food into simple chemical substances that can be absorbed into the blood stream. ... The gastrointestinal system starts at the mouth and ends at the anusTAKE NOTE THAT DIGESTION ENDS AT THE SMALL INTESTINE