It is electrons because they are in the outermost shell of an atom that reacts with other atoms.<span>
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Correlation- a measure of association between two variable.
Blood urea nitrogen (BUN) and creatinine tests can be used together to find the BUN-to-creatinine ratio (BUN:creatinine). A BUN-to-creatinine ratio can help your doctor check for problems, such as dehydration, that may cause abnormal BUN and creatinine levels.
Most likely to migrate to would happen to be 70 miles away with a population of 7000 because no one likes overcrowded places with barely little to no walking space so D. and A. are out of the question
and for options B. and C. they were a little harder to make out becuase they both seemed legit at first but when you realize it 1500 is really far thats like moving from end to end on that country just about anyways so i went with option choice B.
if this helps mark brainliest