a large scale map shows a small area in great detail and a small scale map shows a large area in brief detail.
Answer:
continental plate movement
Explanation:
The great rift valley was caused when two tectonic plates move away from each other
Answer:
The presence of iridium in concentrations higher than 100 times the normal in the Cretaceous–Paleogene (K–Pg) boundary supports the Alvarez Impact Hypothesis.
Explanation:
Father and Son Alvarez argued that since iridium is present in extremely minute quantities on earth, its presence in very high concentrations in this layer which is thought to date back to 66 million years is evidence that an extraterrestrial impact took place which brought the iridium. The high destructive nature of the impact spread the iridium far and wide which deposited on the surface which is why it is present in this layer which dates back to that period.
The crops developed during the Green Revolution were high yield varieties - meaning they were domesticated plants bred specifically to respond to fertilizers and produce an increased amount of grain per acre planted.
Answer:
1) Seasonal changes.
2) Occurance of tides.
3) Alteration of days and nights.
4) Making earth as oblate spheroid.