Joint Firs are the plants in which division can live as long as 1500 to 2000 years.
Increased atmospheric carbon dioxide will diffuse to the ocean water (since normally, there is lower concentration of dissolved carbon dioxide in the ocean water). The dissolved carbon dioxide takes into the form of carbonic acid thereby increasing acidity of ocean water. More often than not, the acidification of ocean water leads to detrimental results especially in marine organisms that are pH sensitive such as coral reefs and many invertebrates.
B. specific to a substrate
Gravity, if it isn't and answer please comment back and tell me
Answer: i believe most of the stars we see in the sky are main sequence stars but if it needs to be more specific the most common type of star is the red dwarf, i hope this helps :)