These are saprotrophs and digestion in saprotrophs take place before ingestion. They break down and convert complex organic molecules present in dead and decaying matter into simpler substances outside their body.

To get the diminished image of the candle flame, the object must be placed at infinity.

Na (sodium) possesses all the above properties. It is too soft and can be cut with a knife. Na is a highly exothermic reaction producing a lot of heat. It also reacts with water and burns due to the ...

The angle of refraction must be less than the angle of incidence. While angle of emergence is equal to angle of incidence.