None, if your dumb
Roughly 75% of the atoms in the universe are hydrogen.
The brain receives about 20% of the body's oxygen supply. It is a highly oxygen-dependent organ, requiring a consistent supply of oxygen to function properly.
A 5 percent raise on $12.30 would be $0.62.
The chemical name for Br2O7 is dibromine heptoxide.
The brain utilizes about 20% of the body's oxygen supply, even though it makes up only about 2% of the body's weight. Oxygen is crucial for the brain to produce energy and maintain its various functions.
ten percent
You will become disorientated, confused and will eventually lose consciousness.
10%
%75
20%
This compound is the trioxygen diarsenic oxide (As2O3), containing 75,7442 % As and 24,2558 % oxygen.
about 10%
100% all humans do.
Zero percent. There is no evidence to suggest that internet use causes brain lesions.
yes but not as much because the air is thiner
We yawn because when we breath through our mouths it brings in more oxygen than when we breath in through our noses. ( which is what most people do.) Sometimes, our brain doesn't think that its getting enough oxgen so it makes you yawn. Try yawning now - feel how much oxgen comes into your mouth? That's why.
A Neanderthal brain was around 10-15% larger than a modern human brain, on average.