Oxygen enters the lungs, then passes through the alveoli and into the blood.
Population explosion would lead to widespread hunger and starvation across the globe.
<h3>What is population education?</h3>
Population education has to do with the enlightenment of people about the need to control the population of the world so that it does not exceed its carrying capacity.
We know that in recent years, the population of the world has greatly increased owing mostly to improved health care and illiteracy in third world countries.
If this trend is not checked, the world could get into such a crisis in which it can no longer sustain its rapidly increasing population. This would lead to widespread hunger and starvation across the globe.
This trend can be stemmed by laying emphasis on population education. Thus, it is true that in absence of population education, the world population would skyrocket.
Learn more about population growth:brainly.com/question/18415071
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Missing parts;
In absence of population education the world population would skyrocket.justify this statement considering the need and importance of population education.
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