Answer: Avoid non-native and invasive species of plants.
Russia has the most but there’s also iran, qatar, turkmenistan, usa, saudi arabia, united arab emirates, venezuela, nigeria, and algeria
C because the other answers are not logical. A would mean that the population is growing in size. B would mean that a country's population is rapidly declining. D does not give enough information to identify which is higher or lower, nor does it say they are equal. If you have equal birth and death rates, the population will not change.
They were not doing their job as religious officials and they were living a life of luxury.
The answer would be A) Thins as elevation increases
This is why astronauts wear suits that require oxygen to breathe, because the air becomes to thin to breathe.
Hope this helps :D