According to induced fit model, the active site is flexible. Does it mean that any substrate can attach with this flexible active site? If not, then explain.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

one would be wind another would be water density

this is a good question! i'll do some research and come back when i have the answer!

the titanic would be the correct answer