4-Growth, maintenance, balance fluids, maintain proper hp
2-Actin, collagen
Answer:
The precise definition of pH is "the negative common logarithm of the activity of hydrogen ion in solution". For practical purposes, the activity is approximated as concentration in moles/L: pH = - log 10 ([H+]) .
Explanation:
<span>B: adds aesthetic value to the landscape. Think about it, out of
all your options, that's the one that doesn't really help anything.
</span>
Answer:
False
Explanation:
this is because nitrogen needs to be in the soil so plants can convery it into useable forms of energy
-- Brainliest answer is much appreciated! :)