If you spent 1 second with each person on Earth, from the time you were born until the time you die, with no breaks...how long would you have to live in order to accomplish this? Just type in the number of the age you would have to live to.

heat a spark and oxygen

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.

the dali lama

explanation:

he is quite fat and then we can talk about the details