Answers (A)

9. Renewable energy

1. Choose the correct option:

1b 2a 3b 4b


2. Answer the following questions:

1. Solar, wind, and hydroelectric power will have been developed more efficiently by 2050.
2. The shift to renewable energy will have reduced carbon emissions significantly, leading to a decline in global warming rates.
3. By the time these changes are fully implemented, the majority of the world's electricity will have come from renewable sources.
4. People will have noticed improvements in energy storage solutions, such as advanced batteries, which will have allowed for better management of power supply and demand.