Answer:
Because some radiation can hurt your body. For example sun radiation, it can cause skin cancer and hurt you. Other radiation doesn't hurt you because it might have low-energy photons. The higher the energy, the stronger the radiation is.
Answer:
Integrity vs Despair
Explanation:
Erik Erikson was one of the famous psychologist who has given the theory of psychosocial development in which he has mentioned eight distinct stages.
Integrity vs Despair: This stage is considered as the last stage in Erikson's theory and starts from the age of sixty-five of a person and lasts through the death of a person.
At this stage, an individual views his or her accomplishments and hence the person develops integrity by knowing that he or she is leading a settled or successful life. The conflict that arises at this stage is that an individual feels whether or not he has accomplished his or her desires and made life meaningful.
In the question above, the statement signifies the Erikson's stage of integrity vs despair.
Answer:
what time period? It could change a lot over time