What if people don’t have electricity to power a light bulb (or cook food or use electric machines)? How can energy be converted in electricity so that people in poor countries can use a lamp at night?
Read more at Whyzzexplorer.com
Parenting Advice, Activities for Children
What if people don’t have electricity to power a light bulb (or cook food or use electric machines)? How can energy be converted in electricity so that people in poor countries can use a lamp at night?
Read more at Whyzzexplorer.com