Questions

The process which wherein an Ecosystem may renew itself is known as Ecological Succession.

The time scale may be decades or a million of years after a mass extinction. 

It may be achieve over a period of time.

False. MS-Word is not an Operating system.

Microsoft Word or MS-Word is an Application software developed by the company Microsoft. It allows users to Type and Save documents.

A journal is also called as a book of prime entry.Transactions occurred are first entered in this book to show which accounts should be debited and which should be credited.

on the basis of entries made in the journal, accounts are prepared, the book which contains the accounts is called a ledger. Transactions entered in the journal are classified according to their nature and posted in their respective accounts in ledger. it is also called as book of final entry.

Cretinism is a disease caused by hypothyroidism(less thyroxine formation).The symptoms of the disease are retardation  of mental, physical and sexual developments. Potbellt, protruding tongue, dry skin etc are also indicative of this disease.

A metaphor is a figure of speech that is used to make a comparison between two things that aren't alike but do have something in common.

In all the given options we have Metaphors.

MAX command is used to return maximum value from result setMAX