The living organism that depend on others for food are called Hetrotrophs. Human beings and all living organism except plants which contain chlorophyll in them are Hetrotrophs. Plants which contain chlorophyll are Autotrophs because they don't depend on others for food.
Heterotrophs are consumers which directly or indirectly depend on the food prepared by plants.
the organisms which do not make their own food. But they eat food with the help of autotrops. For example- All animals are heterotrops.
Diamond is the hardest material according to the Mohs scale as it is ranked 10.Talc is the softest material as it is marked 1.(There are only 10 points!)
the force of magnet is magnetic force. it comes in the type of non-contact forces (forces applied by one body on another without in actual contact).