The key answer of exercise 4
The key to exercise solutions in chapter 15 - It'll solve all our problems for the textbook Outcomes Elementary - Student's Book with authors Hugh Dellar and Andrew Walkley from National Geographic Learning
Question
Now read the article and find out what the writer thinks.
Answer
The writer thinks the biggest problems are the poor economy, the growing population and the fact that the world doesn’t produce enough jobs, food or energy.
The writer is optimistic and suggests solutions:
- homes could become electricity producers and we’ll have enough energy for all
- we’ll grow food in perfect conditions