Select all the correct answers. For a claim about the natural world to be considered scientific, what attributes must it have?
It must be applicable to future events and occurrences.
It must be based on scientific observations that can be repeated in a controlled setting.
It must be consistent with only a small portion of relevant observations or data.
It must be open to modification if new evidence doesn't completely support it.

the answer to your question is tooth decay.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

registered nurse (rn): the rn is responsible for carrying out both the medical plan of care prescribed by the physician as well as the nursing care plan developed by the nursing staff. the rn assesses each resident and modifies the nursing care as needed to meet the patient's needs.