Answer The cause of the rift or issue between the government of Egypt and Ethiopia is the construction of:
b) an Ethiopian dam to produce hydroelectric power.
Explanation: This dam is known as the Grand Ethiopian Renaissance Dam (GERD), it is dam which is under construction since 2011 in Ethiopia. The dam is been constructed on the river Nile. The disagreement is concerning the blockage or the reduction in the flow of the river Nile towards Egypt which would affect their water intake because Egypt relies on the downstream flow of the river Nile to a basin to provide them a source of fresh water.
Answer:When scientists focus on climate from before the past 100-150 years, they use records from physical, chemical and biological materials preserved within the geologic record. Organisms (such as diatoms, forams and coral) can serve as useful climate proxies. Other proxies include ice cores, tree rings, and sediment cores.
Explanation:
Alliances, imperialism, militarism, nationalism