The Cretaceous - Tertiary boundary can be easily observed in the rock layers. The geological signature is a thin band of rock. The thin band of rock is easily distinguishable from the other layers as it also has much darker color. The amount of carbon in this layer is much higher, and there is also zirconium, which usually is not found on Earth as it is extremely rare. The reasons to why this boundary has formed are the asteroid impact and the immense volcanic activity that it triggered.
The answer is b because that how it was\
Answer:
l think kamakura earthquake
but l am no sure hai
The answer is "5 minutes and 35 seconds".
Earthquakes create three kinds of seismic waves which are:P-waves that are primary waves, S-waves that are secondary wavesand surface waves,which land at seismic account stations in a steady progression.Both P and S waves enter the inside of the Earth while surface waves don't. Because of this, P and S waves are known as "body waves"
The correct option is B
The country is a densely populated area in oceania region with a population density of 478 inhabitants per square kilometre. It is also one of the country in oceania with the highest fertility rate. The country has a population of 13 million. The country is a member of the common wealth.
