Riding a skateboard is a phrase
A phrase can not have verb and subject together. riding a skateboard doesn't have subject. the others are clause.they have both subject and verb.
good luck.
Answer:
he's dead probably or safe
She looked at the real world and left the tower.
B - Correct connotations of the words (Apex)
If you adapt it’s can make you chance to survive higher it eventually lead to a confortable life.