Margaret Thatcher was the United Kingdom's first female prime minister, and she proved to be one of the most influential leaders of the twentieth century
Insert the comma between the word ‘Minister’ and ‘and’
It's hot outside today.
It's is the contrasted form of it is and its is the possessive form *as it is without an apostrophe*.
For example:
The tree has lost all its leaves.
It's my birthday today.
Answer:Phil Ochs sang it in 1965
Jimmy Webb sang it in 1977
Explanation: