Answer:
Theory
Explanation:
In science, a broad idea that has been repeatedly tested and verified, giving scientists great confidence that it represents reality, is called a theory. A theory is a repeatedly test and proven idea by experimentation, theories are facts like the law of gravity, until disproved.
Answer:
Chronic stress
Explanation:
Stress is happened because of biological changes and environmental changes in the lives of people. Due to stress body release cortisol and adrenaline hormone. These are hormones help to understand make heart rate high and pulse rate becomes high. These symptoms indicate that the person is in a high alert state. Physical stress or symptoms are not so long in stress. Many factors can indicate stress.
<u>Symptoms of stress:
</u>
- High-pressure job
- High-pressure work
- High-pressure family responsibilities
