Answer:
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
When you take away the whole from me, there is always some left. What am I?
In my life I must bare, my bloodline I must share. What am I?
Though I am only two words I have thousands of letters in me
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?