A. Foraminifera above the boundary are smaller and less diverse than those below.
If a nation has a high dependacy rate it means that the nation has a large amount of children, YOUNG children under the age of 18 that must be provided for and taken care of. Hope I helped :)
i personally would say the answer is A. a benefit is a good thing that happened to you, you don't really have to give something up for it so a positive consequence makes the most sense.
Gradualism is the idea that rocks form over long periods through the slow geologic process.
