Questions

Protists are eukaryotic organisms that cannot be classified as a plant, animal, or fungus. They are mostly unicellular, but some, like algae, are multicellular.

Kelp, or 'seaweed,' is a large multicellular protist that provides food, shelter, and oxygen for numerous underwater ecosystems.

Kaolin is chemically classified as Argillaceous rock.

It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol

The main difference lies in the motive of the two parties. The main motive of the hedger is to hedge(minimize) the risk from the occurence of some events. 

The motive of the speculator is to gamble in the market in order to make the profit by buying/selling the derivative products.

A practice to learn something is a Lesson.

Dr. B.R. Ambedkar received Bharat Ratna in the year 1990.