Answer:
I am black when you buy me red when you use me when I turn white you know it’s time to throw me away.
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
The Titanic is still here.
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
Dry though I may be, I am still a sea.