Greg is forming a hypothesis for a science experiment. His current hypothesis is: "How many hours of sunlight per day is best for dandelion flowers?" What is wrong with Greg's current hypothesis? (Choose all that apply)

a.It doesn't provide enough evidence.

b.It should test a wider variety of flowers.

c.It doesn't define an independent variable

d.It isn't written in the form of a statement.

e.It doesn't define a dependent variable

f.It is too broad, and not testable.