When all global earthquake locations over the last 10 years are plotted on a map, you can see that they are concentrated along continental borders tectonic plate boundaries the equator areas within 50 miles of an ocean

answer: my answer would be a) scheduling workouts with your friend for consistent days and time

explanation:

for me personally i would be much more likely to go to the gym with a friend because i wouldn't want to cancel on them or stand them up.