Answer:
The country was rapidly growing.
The birthrate was rapidly increasing.
Explanation:
A P E X
A creep is a slow downward progression of rock and soil on a slope of terrain.
A rockfall is a mass of loose rocks that fall down a slope.
A landslide is a mass of earth and/or rocks that have collapsed from a mountain or cliff.
A mudflow is an avalanche of big amounts mud.
The answer is D.
Nodal: denoting a point in a network or diagram at which lines or pathways intersect or branch.