richter measures the level of general impact for an earthquake, while mercalli measures the impact on society... a strong earthquake in a non-poplulated area would have high richter value, but small...
a small scale map represents large areas with less detailed features such as a country or continent ma while a large scale map. represents a small area with plenty of features such as town or city...
Yes it is. It will measure your weight, height and body mass index. Body mass index is one of the important factors in your weight. to much body mass is not a good thing.