Ahealthy way to gain weight would be to simply add more calories to your diet. true or false

(i know it is sort of an obvious question but i think it's a trick one)

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

How could natural selection best be used to explain the evolution of the white fur of arctic fox

How will your knowledge of hipaa regulations affect your career in healthcare