The answer is D. In caste systems you are born into a certain level of society and cannot change that.
Your answer is radiometric dating
Radar because the waves are reflected back off of the source so with the reflection it's hard for them to see earth surface.
To avoid risks associated with tornadoes, lightning and hurricanes
in the United States, you should steer clear of Florida. Hurricanes and
Tornados are very destructive in nature and can wreck havoc over any area it
passes through. Hurricanes can still be predicted but it is impossible to
predict a tornado. Both hurricane and tornado are accompanied by severe
lightning. Florida is a state in the US that is well known throughout the world
for hurricanes and tornados. So it is always better to avoid such places.
Maps have a legend at the bottom of the map that tells you what each symbol means. The other things are not seen on a map.
