The sea route west to Cathay. It is not known when the idea originated of sailing westward in order to reach Cathay.
Answer:
there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away. ... America began producing more steel than England.
Answer:
C. Primaria
Explanation:
Una fuente primaria se refiere a la información obtenida de una observación de primera mano de una cosa.
Cuando se observa directamente a los miembros de una especie, se recopila información más confiable. Dado que esta información se recopila a través de una observación directa de primera mano y un censo de las especies involucradas, la fuente de información se obtiene de una fuente primaria.
It forms in veins no doubt
Answer:
Lack of access to water and sanitation is a matter of life and death. Contaminated water and inadequate sanitation help transmit diseases like diarrhoea, cholera, dysentery and typhoid. In Africa, more than 315,000 children die every year from diarrhoeal diseases caused by unsafe water and poor sanitation.