Narwhal population is increasing exponentially since 1970, due to some factors like increasing Birth rate, immigration etc.
If you are looking for website, then you should find for wider topic like search for Narwhal only instead of it's population/growth
Hope this helps!
Nitrogen get into the air by lightning strike or fires by certain types of bacteria.
Typically, the narrator reads the prologue.
TATCTGG ..... im not really sure sorry.