Answer:
<em>The correct option is D) How is the number of frogs in Massachusetts affected by pollution</em>
Explanation:
A scientific question can be described as a question which can be answered through the scientific method of research. Based on the scientific question, a hypothesis can be formulated. For example, for the option D, the hypothesis can be 'if the pollution increases, then the number of frogs decreases.' A hypothesis is a tentative statement which can be tested through experiments. Based on these experiments, results are formulated and conclusions are drawn. The question mentioned in option D can be answered through this method hence, it is the correct option.
B
The wastes are radioactive and can cause cancer. This is the #1 reason according to my research why it is important to dispose of nuclear waste.
The mass is increased as two things are added together so the two masses of the two substances are added together.
The machine found no kidney stones and the patient is healthy
The more advance the community the more complex the speciess
