The concept of Peak Oil was first developed in the 1950's by the geologist M. King Hubert.
Answer:
2.656 km
Explanation:
Velocity of sound in the air = 332 m/s
time t= 8 sec


=2656 meters =2.656 km
therefore, distance = 2.656 km
Florida has lightening quite often because
Florida receives a lot of heat through out the year, air close the ground is warmed and frequent sea breezes (Florida is surrounded by seas and oceans) provide the necessary lift and moisture for the formation of thunderstorms. This why lightning is common Florida
The presence of U-shaped valleys is the best evidence that glaciers one covered an area. The correct answer is B, U-shaped valleys.
A batholith has an irregular shape with side walls that incline steeply against the host rock. Most batholiths intrude across mountain folds and are elongated along the dominant axis of the range; faulting and contact metamorphism of the enveloping rock near the batholith is also observed.