Which is taking so much of a drug that leads to coma or death

Why mature red blood cells has no nucleus

Teenagers and children need sleep. teens need at-least 8-9 hours of sleep. kids need   at-least 10-11 hours of sleep depending on what time they go to sleep. sleep is very important for anyone of any age. read more on -

1. keisha’s brother was killed in a car crash. the person who was driving the car was not injured. keisha feels powerless. she misses her brother. she resents the fact that the driver continues to attend her school and seems unaffected by her brother’s death. what is the stage of grief? anger depression denial or numbness(one answer) hope remorse