Answer:
The sex ratio is the ratio of males to females in a population.
Explanation:
It is generally divided into four subdivisions:
primary sex ratio — ratio at fertilization
secondary sex ratio — ratio at birth
tertiary sex ratio — ratio in sexually mature organisms
quaternary sex ratio — ratio in post-reproductive organisms
Answer:
War is a development issue. War kills, and its consequences extend far beyond deaths in battle. Armed conflict often leads to forced migration, long-term refugee problems, and the destruction of infrastructure. Social, political, and economic institutions can be permanently damaged
Explanation:
England and Spain were at war in the late 1500's. It was called the "Anglo-Spanish war"
