Answer:
Los humanos no estarían protegidos del calor extremo del sol, no habría forma de regular el calor y mantener fresca la tierra. El oxígeno no estaría en la atmósfera porque los árboles y las plantas no podrían sobrevivir.
Explanation:
Espero que esto ayude :)
Answer:
Their results include major changes in culture, economy and socio-political institutions, usually in response to perceived overwhelming autocracy or plutocracy. Scholarly debates about what does and does not constitute a revolution center on several issues.
Explanation:
The teachers present at the teacher's lounge could be there for a variety of reasons, for example it could even me a meeting of the supporters of the school uniform! his sample is therefore possibly biased - there is no way of knowing that it represents the whole population. He chose it because it was convenient to him - and the answer is "a, convenience sampling"
