Depression. they suffer from depression
Because Leif Ericsson is closer to North America
Answer: Castilian, Catalan, Galician, Basque
Explanation:
Probably the major advantage of walking upright was that it freed the hands to use tools and carry (the pray).
Another advantage is seeing further than on four legs, without the need to stop walking and raising oneself for a little while to look around ( like some animals do).
Social structures <span>consist of statuses, roles, groups and institutions.
A social structure is a group of people joined by some common characteristics - a social group, infrastructure, hierarchy by birth, the same job, etc. These structures include various statuses that people may have, their roles in institutions, etc.</span>