Answer:
1.5 billion years ago
Explanation:
Protists are a collection formed up of protozoa, unicellular algae, and fungus forms. We will focus on the being part of this society: the protozoa (proto = first, zoa = beings). Protozoa are the earliest discovered collection of heterotrophic living that utilize and modify complicated meal particles into power. Although protozoans are only made up of a single cell, these organisms control to perform all the necessary responsibilities of life. The protozoa are split into four principal associations: the ciliates, the flagellates, the heliozoans, and the amoebas.
It will help treat it, there's Hope of slowly treating it you have to have faith and patience.
Hope this helps :)
PH of water is 7 I hope the answer is correct ehe
What are your options, if you have any?
I know they both need each other in order to function, but I dont know if thats the answer needed, or if its more complicated than that..
hope I could help atleast a bit!