life or lives?

Please help.

lives

Thanks, Region.

Didn't you understand this answer that you got on 14 December?

http://able2know.org/topic/358033-1#post-6322806

Thanks, contrex. I thought the sentences were different in structure.

Here is a summary of what could be an answer to both questions:

The noun 'life' can be non-countable or countable

1. Non countable:

The condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death.

the origins of life
only a mother can appreciate the joy of giving life to a child"
lower forms of life

2. Countable

The existence of an individual human being or animal.

A disaster that claimed the lives of 266 people
More than 1,500 lives were lost in the accident
Our lives are enhanced by music
My life has been mainly spent in Europe
Our lives are becoming more digital

Thanks, contrex, for the detailed reply.