The word friends can be replaced by the pronoun THEY but in this case the phrase replaced will be some of our friends , that is to say the subject . Another option is to replace our friends by THEM . In this sentence friends can be repalced by THEM
Answer:
Why pay so little attention to physical activities
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.
I don't understand this world
