The water cycle is a parameter of the hydrosphere that always remains constant. Life on Earth and its sustenance is possible because of this cycle. The continuous evaporation, condensation, and precipitation of water provides for the many processes involved in Earth's natural surroundings. Without the water cycle, life would cease to exist.
A. because the iced tea mix dissolves in the water therefore it is a solvent <span />
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The fight-or-flight-or-freeze or the fight-flight response (also called hyperarousal or the acute stress response) is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.
Species A and B would be the most similar because there is only one mutation between the two of them located in the first codon.
The ultimate source of energy to support most life on earth is Sunlight.