Answer:
Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.
Ecosystem and pond,
not sure though but good luck !
Helo i think the answer to this question is trait
The enzyme pepsin functions with a very low pH of around 2. It is found in the stomach, with the acidity coming from the hydrochloric acid present there. it breaks proteins into amino acids.
A commodity that someone would invest in would be tea, coffee, and wine. Some of the more popular items people usually think of as a commodity.
