alkaline

These lakes provide diverse habitats ranging from the freshwater lakes of Naivasha and Baringo to the semi-saline Lake Turkana, the saline alkaline lakes of Magadi, Elmentaita, Nakuru, and Bogoria, and the transient Lake Logipi.

When Barge and colleagues injected an alkaline vent solution containing RNA nucleotides into an ocean-simulating bottle, individual RNA nucleotides linked up into short chains.

A chemical reaction between water and rock at sites like Lost City makes the water coming out of vents more alkaline than the water in the ocean, which has a higher concentration of positively charged hydrogen ions.

One end of a plastic tube pokes through the narrow end of the bottle, connected to a steady supply of a basic, or alkaline, solution just like a vent.