About 160 years. After Charles Darwin came out with his theory people have been debating it.
Water helps keep cells in an even temperature despite temperature changes in the environment because water has a high heat capacity. Water can absorb a lot of heat before there’s a change in the temperature.
I hope this helped!
Explanation; -A water molecule can act as an acid or a base even in a sample of pure water. It acts as an acid (donates H+) when it reacts with a stronger base, say sodium hydroxide.
