What is the answer to these 2 questions

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

How does the nervous system affect the excretory system?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a