The old adage of "use it or lose it" would best describe inactive that are eliminated.

wait any answer choices plz

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%