1. Ch. 17 MindJogger
2. Ch. 18 Section 1 Org
3. Ch. 18 Lecture
People have been evaporating seawater to obtain salt since ancient times. The oceans, composed of about 3.5 percent salt, provide a nearly endless supply. Below are Mahatma Gandhi and his followers on their famous 1930 salt march across India to the sea. They were nonviolently protesting England’s salt tax and law that made it illegal for Indians to collect their own salt.
1. What are some common uses of salt?
2. Name some components of ocean water other than salt.
3. Besides salt, what other resources come from oceans?
2. Ch. 18 Section 1 Org
3. Ch. 18 Lecture
People have been evaporating seawater to obtain salt since ancient times. The oceans, composed of about 3.5 percent salt, provide a nearly endless supply. Below are Mahatma Gandhi and his followers on their famous 1930 salt march across India to the sea. They were nonviolently protesting England’s salt tax and law that made it illegal for Indians to collect their own salt.
1. What are some common uses of salt?
2. Name some components of ocean water other than salt.
3. Besides salt, what other resources come from oceans?