Answer: it's unclear why marsupials thrived in Australia. however one plan is that once times were powerful, marsupial mothers might jettison any developing babies they'd in their pouches, whereas mammals had to attend till gestation was over, defrayment precious resources on their young, Beck said.
Explanation:
Answer:
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The following are the five North American and European countries on Non communist bloc:
1. United States
2. United Kingdom
3. France
4. Italy
5. Canada