Answer:
they cannot know their doing and there is a posiblity that they fail
Low silica content,thick and fluid,forms dark colored rock.
The difference between RNA and RNA both are not the same but they are different.
About 90% of our DNA is the same.
A cold front does count as weather, if you're looking for more info on cold fronts and warm fronts visit the site below.
http://www.weatherquestions.com/What_are_fronts.htm
