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.
Democracy,socialism,and Nationalism
Today we trade (aka imperialism) by paying , or going into stores , this is different from back then because we use to just give each other items in exchange for something or to learn something.
Imperialism is just another word for trade really.
i really hope this helps you a lot. :)
It is either B or C I honestly believe the answer is B tho.