Question

3. Write the definition of any three of the
following items along with illustrations :
(a) Virtual
(b) Catalyst
(c) Internship
(d) Portal
(e) Tier 2 and tier 3 cities​

Answer 1

Answer:

Explanation:

1. being on or simulated on a computer or computer network print or virtual books a virtual keyboard : such as. a : occurring or existing primarily online virtual shopping.

2 Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. ... Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.

3.any official or formal program to provide practical experience for beginners in an occupation or profession: an internship for management trainees.

soory i didnt get any images