The helpful bacteria and The pH balance
A blue dye blinds to protin and changes colour.
A species<span> is a way to </span>classify<span> an </span>organism by its distinct characteristics that match others in a population<span> - </span>organisms<span> within a </span>species<span> have the ability to produce offspring with one another.</span>
Answer:
Cold water can hold more dissolved oxygen than warm water. In winter and early spring, when the water temperature is low, the dissolved oxygen concentration is high. In summer and fall, when the water temperature is high, the dissolved-oxygen concentration is often lower.
Explanation: