Spend time looking at various web sites, and determine some of the difficulties faced by people as they expanded their countries prior to the advent of modern technology. After studying these sites, be prepared to answer the following question in a 250-word paragraph:
Choose a country, and list geographical features that made growth and expansion difficult and what people did to overcome them.

fertilization is the union of an egg and a sperm cell i believe.

tge answer is a. the world in spatial terms

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places of higher salinity. there are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. this evaporation removes water – when water vapour rises into the atmosphere, it leaves the salt behind, so the salinity of the seawater increases. this causes the seawater to become denser.