The northern sea route takes them thru artic waters and the water often freezes creating damage and delays
Answer: True
Explanation: the theory of the island biogeography equilibrium modem describes that species have to get to a certain island from somewhere else which is the immigration part and other species have to migrate from the island as they run out of resources which is the extinction part. This theory shows that as the number of immigration increases and a new place is colonized the rate of extinction of species increases because there is more competition and limited resources for these species and vice versa.
<u>Answer:</u>
A geographer would collect a city's historical data about the census and the occurrences of natural disasters in order to study the impact of demographics and calamities on the geographical features of the region.
<u>Explanation:</u>
- The discipline of Geography is made up of two broad classes. One is Physical Geography and the other is Human Geography.
- These two classes are interdependent and their functioning is coherent.
- The study of a region's Geography is incomplete without the studies of the region's demography and the occurrences of natural disaster in the region, for their impact on the regional geography is immense.
Answer:
Explanation:
Mực nước biển dâng cao, nhiều lục địa lớn nhất dần dần bị nhấn chìm, hiện tượng tan băng còn giải phóng nhiều loại virus cổ đại nguy hiểm, các hoạt động khai thác trên biển của con người gặp khó khăn