Logan is a name with Irish origins. The meaning of the name Logan is from the hollow. Common nicknames for Logan include Loag and Lo. Famous Loganâs include athletes Logan Bailly, Logan Coutre, Logan Kensing, and Logan Mankins.
During the Cambrian explosion, the atmospheric oxygen levels increased by up to 10 percent, and prior to that time the living creatures roaming the Earth were typically small, simple and often single-celled.
Answers. 1  Well, hydrogen can't explode without oxygen present: 2H2(g) + O2(g) --> 2H2O(g) However, the amount of oxygen present at the time of explosion may have an effect. With the oxygen in the balloon, the expanding gas due to the heat of the reaction probably caused a bigger noise due to the fact that the reaction took place inside the balloon.