Answer:
the roman empire was very successful
Explanation:
it had an expansive area with vast resources, a strong economy, and advanced military
Variable reinforcement schedules generally demonstrate greater resistance to extinction than fixed reinforcement schedules
TRUE.
Perhaps the correct answer is a Temperate Grassland?
Whats the question???
Its just a pic
Https://en.wikipedia.org/wiki/Biological_organisation hope that helps! :)