Thhe name of the weapon is the Greeks Fire
Answer:
Technological innovations increased agricultural yields.
Explanation:
The Chinese economy in the period 1200-1450 increased due to higher production of agricultural crops with the use of new technologies. In the period of song dynasty, an early growing rice cultivar was produced which can be grown multiple times in a year. Due to multiple harvest, food was available in large amount for the people so we can say that innovations increase the yield of crops.
Answer:
solo te puedo ayudar con sistemas y subsistemas
Explanation:
se entiende por un sistema a un conjunto ordenado de componentes relacionados entre si, ya se trate de elementos materiales o conceptuales.
subsistema: en si, es un sistema que se ejecuta sobre otro sistema ayudandolo en sus funciones.
