The chart below shows information about three stars. Name of Star Beginning of life cycle End of life cycle Star 1 nebulae white dwarf Star 2 nebulae neutron star Star 3 nebulae black hole Which of these charts best shows the original mass of the three stars? Name of star Original mass (in Solar masses) Star 1 1.5 Star 2 2 Star 3 4 Name of star Original mass (in Solar masses) Star 1 2 Star 2 2 Star 3 2 Name of star Original mass (in Solar masses) Star 1 2 Star 2 2 Star 3 4 Name of star Original mass (in Solar masses) Star 1 1.5 Star 2 2 Star 3 2

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

answer: andy garner, a 17-year-old who decided to become a human guinea pig in 1965 and go without sleep for 11 days. by the second day his eyes had already stopped focusing, and he lost the ability to identify objects by touch. by day three he was moody and uncoordinated and by the end he had trouble with short term memory and had even started hallucinating.

and a rare genetic mutation called fatal familial insomnia, where people can’t sleep at all, gets progressively worse over months or years and leads to dementia and death.

a devoted soccer fan died after staying awake 48 hours to watch the world cup, she said. ‘while his untimely death was due to a stroke, studies show chronically sleeping fewer than six hours a night increases stroke risk by 4 1/2 times compared with those getting a consistent seven to eight hours.'

*shorten it up as your wish*

(i have divided it into 3 simple paragraphs)