Upwelling is a process in which the deep and cold water rises to the water surface and not sea surface. This process plays an important role in maintaining balance in our ecosystem as it boost the marine productivity by washing the nutrients from deeper waters to the photic layer where photosynthesis is promoted.
It's needed for photosynthesis and inturn it gives us oxygen
good product for alloys
good product for displacement reactions
harms
global warming
global dimming
carbon dioxide with a lack of oxygen is poisonous
Answer:
Absorption of water from soil
Explanation:
That's what the roots do :)