What is necessary to release the chemical energy from food: a. explosion
b. water
c. sunlight
d. oxygen

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

What must occur for air masses to form fronts

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?