deneme
Gaseous exchange
every living thing uses gasses, one of the signs of life is respiration (ie gaseous exchange)
Carbon dioxide is important to life for various reasons. The main reason of course is the gaseous exchange process. This is beneficial to plants and animals as well.
Oxygen
Not for life as we know it. Basically, the atmosphere is gaseous ammonia.
Yes
There is no significance. It is fatal for life on earth.
Their significance is 'change' & that is all I yet know.
The significance of Earth's atmosphere is the sustainment of land based life.
The Columbian exchange marked the exchange of plant and animal life between the Old and New Worlds.
the Columbian exchange was a dramatically widespread exchange of animals, foods, human populations including the slaves too.
the Columbian exchange was a dramatically widespread exchange of animals, foods, human populations including the slaves too.