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.
%75
10%
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
A Neanderthal brain was around 10-15% larger than a modern human brain, on average.
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.