Answer:
The skater in the rink do not move at the same speed because, the rotor and strator are different
During periods of physical activity or periods of elevated temperatures.
The answer is D.) Mood swings
If there is a bike lane with the flow if there isn't opposite the flow so oncoming traffic can see you better
People were not used to wearing clothes as much as we do now, therefore their bodies were more acclimatized than ours