Which of the following is a testable hypothesis? a. Roses are more beautiful than violets.
b. A plant needs at least five hours of sunlight per day to grow.
c. I've cream is delicious.
d. Humans will someday land on Mars.

B. because it's something u can actually do it,  and it's more reasonable

Explanation:

an example for a hypothesis could be, If a gets at least 5 hours of sunlight per day, then it will grow. I hope this helps you :)

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