1) a run on sentence
2) add a verb after Wanda
Answer:
essay? read and answer questions?
Answer:
a. I am now swimming for an hour.
b. he has been playing this guitar since he was seven years old.
c. how long are they discussing?
d. she's been collecting dolls for 3 years
e. the office has been using this machine since 1997.
Any organic molecule (a molecule containing carbon chains) with covalently bonds chlorine that alter its properties.
It depends what the explanation is about, but I’d say a diagram would be the most effective in most cases.