Answer: emigration or increase in death rate
Explanation:
Many factors can modify the animal population in a specific area.
Amphibian populations are affected mostly by changes in temperatures, altered dry season rainfall, and modified leaf litter depth.
Considering the options provided, only emigration and an increase in death rate could explain the decrease of the frog population.
Immigration and an increased birth rate would result in the population growing, not decreasing.
Answer
1. It set in a process that led to displacement, removal and relocation of the natives
2. Mining rested on the white American talent for claiming legitimacy
3. Created a rapid urbanization kind of settlement
Explanation
There was a friction between miners and Indians during the rush for Gold mining that resulted into the displacement of the natives. Mining in California rested on the white American talent for claiming legitimacy. This is to say that most of them were newcomers yet it did not prevent them from claiming legitimacy of the place as occupants ignoring natives that had the right to local resources. Mining in the west brought concentrated populations, where the mining patterns of settlements turned out to be the future settlement pattern of the region.
The answer is C. both the above
The movement of voters between each political party could either damage or guaranteed the representative chance for victory. And the period before the general election is perfect for the candidates to persuade other voters because moderate voters tend to be predominantly involved in this period. After entering the primary, more extreme and loyalist voters will start to show up.