No tsunami warning system was in place. Due to the relative poverty of the region, there was no good way to warn the citizens. So C
P waves is the correct anwser!!!!! please give me the brainest :)
Answer:
All dinosaur fossils found by archeologists have been found a few centimeters below the iridium layer. So, the possibility of finding dinosaur fossils above the iridium layer is very slim.
Explanation:
Over 65 million years ago, dinosaurs roamed the earth but were canceled out as a result of an extraterrestrial impact on the earth's crust. Research proved that an asteroid brought the end of dinosaurs as the element iridium was found in the earth (since iridium is abundant in asteroids and not the earth's crust).
Records of fossils found have been between 13 to 60 centimeters below the iridium or the K-T boundary as it is called.
I am pretty sure it is C but correct me if I'm wrong hope this helps.
Most Chinese cities were market and administrative centers
