Which question can be tested scientifically? Does humidity affect the decay rate of leaves? How does a biologist become successful? What shape are the flowers of a cherry tree? Are puppies cuter than kittens?

Does humidity affect the decay rate if leaves

Explanation:

You can fin the rate by doing unbiased scientific tests

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."