Yes
More than you would in a lifetime More than you would in a lifetime
Most volcanoes are active for a long time before dieing. So no an average volcano erupts more than once in its lifetime.
No.
Dump him, unless you are really into a lifetime of being disappointed and/or emotionally abused. He promises to change, and he doesn't? If this has happened more than once, dump him.
more than that
Radiation treatment burns and affects the integrity of the skin. To avoid injury, therapists avoid targeting a specific area of the skin more than once.
a lot more than you think.... more than 100,000
Ultra violet radiation has more energy (E=hf) than visible radiation.
once in their lifetime, and inshallah you will. Some people go more the once but its not recommended because of the amount of people there. Some people go more than once becasue they preform Hajj in the sake of their dead mother or father who weren't able to go.
No. No creature is impervious to radiation. However, some insects are more tolerant of radiation than humans are.
No, they are not. X-rays have a higher energy than UV radiation, and they have the potential to do more damage to tissue.