The most likely basis for future human evolutionary change is technological change.
Evolution is a natural process that takes millions of years to occur. In this, an organism evolves on the basis of changing environment, living conditions, availability of food, living place and pattern, etc.
Natural selection works as an important force in this process as nature selects the fittest individuals which means nature selects those individuals who have the most appropriate genes according to the current conditions for survival to reproduce and pass those genes to the next generation.
The differences in the genes depend on an individual's ability to adapt to the changes in the environment and change their living style and habits accordingly to survive.
Therefore, in the current scenario, technology is heading to be the world leader and humans have to learn to adapt to the changes accordingly and evolve in the same way so that they better fit with the coming changes and can survive easily.
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Saliva is not excreted by the human body.
Carbon dioxide is excreted by respiration.
Urea is excreted by urine.
Salt is excreted by sweat.
Explanation:
It happens when the moon is in the earth's shadow
And sun moon and earth is completely aligned
