After carrying out some tests at a local stream, you discover that the ph in the stream is extremely low. based on this, you should tell your friends to

not drink it.

Explanation:

Low pH means that the water is extremely acidic and not safe to drink. SO DONT DRINK THAT WATER!!!

Hope this helped and have a great day lol. :)))

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

answer; aerobic conditions; citric acid cycle (krebs cycle) electron transport chain;         anaerobic conditions; fermentation; both glycolysis;