Answer:
lightning fatalities more frequent today than as they were in the 1950s .
Explanation:
The frequency of lightning has significantly increased after the 1950s . This is because of global warming or the global rise in the temperature . As the temperature is increasing the chances for the formation of a thunderstorm is also increasing . That's why the more the thunderstorm, the more will be the lightening and the more will be the death fatalities.
According to the date, there is a 50% increase in the lightening in the last 30 years.
We can solve this problem, if we use the rule of three.
x=the actual distance between these towns
1 cm----------------78 Km
3 cm---------------- x
1cm *x=3 cm * 78 Km
x=(3 cm * 78 Km) / 1cm=234 Km
Solution: 234 Km
B. The rivers were used to sustain life by growing crops and food and having an unlimited drinking supply.
