Answer:
I think cuz if one fails you don't die instantly cuz everything just gave out and died all at once. its easier to handle and fix if theres a bunch.
Explanation:
hope this helps a little bit :)
Tbh I think that is false because anywhere mold can grow there's isn't a specific time period.<span />
The first is plant
Second is animal
Third is fungi
A signal to reabsorb more water and salt. Have a good day =D
Oxygen is an electronic which can be defined as pure substance..we breath in oxygen and breath out carbon dioxide