Which of the following is a sign of a heart attack? a sudden sense of well-being pressure or pain in the center of the chest sweating b and c

Cognitive development discussion question: must be at least 1 paragraph. how can you demonstrate responsible personal and social behavior during physical activities? *example: responsible personal behavior- locating dangers in your surroundings on a field; i.e. man hole covers, brick signs, holes, broken glass, etc. *example - acknowledge the performance of others, no matter the outcome *example: responsible social behavior – learning to accept rulings from officials, handling stressful situations, knowing your team role and doing your job *example - practice conflict management and listening skills in a competitive atmosphere

Iwill mark you brainlest if you answer this question

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