Question

uso de energía eléctrica

• aproximadamente, ¿cuántos kilovatios hora totales de electricidad se utilizaron en 1902? ¿en 1920?
• ¿cómo crees que la electricidad cambió la vida de la ciudad?

total electric energy used in millions of kilowatt - hours

Explanation:

Step1: Locate 1902 on the x - axis

Find the point corresponding to 1902 on the horizontal axis of the graph.

Step2: Read the value on the y - axis

The value on the vertical axis (Total Electric Energy Used in Millions of Kilowatt - Hours) at the 1902 mark is approximately 5000 million kilowatt - hours.

Step3: Locate 1920 on the x - axis

Find the point corresponding to 1920 on the horizontal axis of the graph.

Step4: Read the value on the y - axis

The value on the vertical axis at the 1920 mark is approximately 55000 million kilowatt - hours.

For the second part, here is a general answer:
Electricity changed city life in many ways. It enabled longer working hours in offices and factories due to artificial lighting. It powered new appliances like refrigerators, improving food storage. It also made public transportation like electric trains and trams possible, enhancing mobility within the city.

Answer:

• In 1902, approximately 5000 million kilowatt - hours of electricity were used.
• In 1920, approximately 55000 million kilowatt - hours of electricity were used.
• Electricity changed city life by enabling longer working hours, powering new appliances, and enhancing public transportation.