Answer= A. Worm in your intestine
Geysers, hot springs, and bubbling mud are landscape features that are produced by the source of energy known as geothermal.
Geo means that it is referring to the ground, soil, the Earth, and thermal relates to temperature. So this means that these features have originated due to the temperature of the inner parts of the Earth itself. These have many medicinal benefits and are often found in spas.
I think this is false, but I’m not 100% sure.
Enzymes are affected by changes in pH. The most favorable pH value - the point where the enzyme is most active - is known as the optimum pH