Power efficiency is defined as the ratio of the output power divided by the input power:
Efficiency= out/in • 100%
So, (120 - 45)J / 120J • 100% = 62.5%
It’s 5 because like if u do this and that u get 5
The statement is - False.
In the pre-industrial societies, the economy was far from being based on providing information and services. The economy was largely based on two things, agriculture and trade.
The agriculture was the basis and the dominant sector in the pre-industrial economy. The more agricultural products a nation had, the more it had to trade, thus becoming wealthy. This can easily be seen in the colonies that the European countries had in the pre-industrial period, where every inch of the land that was suitable for agriculture was used, and latter those products were shipped and traded in order to become wealthier.
Answer:
Shifting Cultivation and Intensive cultivation are two types of subsistence agriculture
Explanation:
Two types of subsistence agriculture are -
a) Shifting Cultivation - Forests are cleared to create farm lands wherever the nomad people settle and farming is practiced till the soil loosed its fertility. Tropical climate
b) Intensive cultivation - This is practiced by small farmers on their small piece of land so that they can feed their families. Tropical climate