In this question, a passage and a statement related to it are given. Read the passage carefully and based on it, review the statement. The vegetation of Australia can be divided into different botanical groups. Rainfall and temperature are the main factors that determine the vegetation of any region. Most of the plants found in Australia are adapted to the dry climate there.

Statement: Temperature plays an important role in determining the vegetation of an area.

Choose the most appropriate option from the following.

A - The statement is completely true.

B - The statement is probably true.

C - The statement cannot be reviewed.

D - The statement is completely false.

Given Statement is:

Temperature plays an important role in determining the vegetation of an area.

After reading the passage checking all the conclusions one by one.

A) The statement is completely true → (Correct) As mentioned in the passage that 'Rainfall and temperature are the main factors that determine the vegetation of any region.'

B) The statement is probably true → (Incorrect) Because, its is definitely true. from the passage.

C) The statement cannot be reviewed → (Incorrect) We can come to a conclusion after reading the passage that temperature is indeed a main factor in determining vegetation.

D) The statement is completely false → (Incorrect)  As we got above that the statement is true so, this result is incorrect.

So, The statement is completely true.

Hence the correct answer is "Option 3".