Who is the famous folk singer who died of huntington's disease?

What is the name of the tool scientists use to identify a species? species key dichotomous key species marker dichotomous marker

Alcohol is a dangerous drug because it a can change the way the mind and body function. b changes the way you look to other people. c makes you believe you are invincible. d cannot absorb into the bloodstream.

Effective teamwork and hyperactivity a good indications of positive