<span>The muscle at the end of the esophagus is not able to close, which allows stomach acid and digested food to go back up into the esophagus. </span>
XX if female and XY is male
Answer:
In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Water, light, wind, soil, humidity, minerals, gases.
The answer is C- <span>social, mental/ emotional, and physical
</span><span>The best definion of one's overall health comes from World Health Organization. They say that health is a state of physical, mental and social well-being. These three components are more important than just the absence of affections and diseases.
This definition changed over the years, and now is more about the value to the community(</span><span>a good of all) than to the individual.
physical- This is the most obvious one. Once we have a disease, part of our systems are affected that will reflect in our health.
social- Humans are social beings; we need to be accepted in society; we can't live alone.
</span><span>mental-</span><span> anxiety, uncertainties, constant weariness of mental energies, etc., lead to fatigue and psychosomatic problems.</span>
