The answer is b,c,d. I hope this helps someone.
Answer:
All of the following represent innovations in land except ..
the 3-field system
open fields of manorial villages
shared property of monastic communities
the ownership by individuals of small farms
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: Two environmental impacts of urbanization in Latin America are increased air pollution and poor sanitation systems.
Explanation:
