I believe it's called a palindrome
Answer:
China
Explanation:
This is my best guess because you failed to show the options provided.
China is the absolute worst when it comes to pumping our atmosphere full of CO2
Answer:
mortality rate, measure of human infant deaths in a group younger than one year of age. It is an important indicator of the overall physical health of a community. ... High infant mortality rates are generally indicative of unmet human health needs in sanitation, medical care, nutrition, and education.