1,000 years
In many parts of the world, trees can provide a climate history for hundreds of years, with some extending back 1,000 years or more.
Slate is composed of mineral quartz and muscovite or illite, it is usually joined by biotite, chlorite, hematite and pyrite.
Maybe that if they stop swimming they won’t die? Not sure if that’s helpful but it’s a suggestion. Here’s a link about sharks-https://g.co/kgs/jVvFkF
Adaptations can give an organism a competitive edge but adaptations are not always used for completion against other species
Answer:
Temporary deafness is often the result of buildup within the ear canals.
Explanation: