3. The air today is approximately one-fifth oxygen. Calculate the approximate volume of
oxygen in 200cm3 of air.

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Explain that newton first law, second law and third law of motion?

How does a noncompetitive inhibitor reduce an enzyme’s activity?