Question

which chemistry advancement has made the greatest impact on human lives around the world?

○ the development of electric cars

○ genetically modified crops increasing the food supply

○ the development of toothpaste

○ the development of baking soda for use in baking

Explanation:

1. Analyze each option:

• The development of electric cars is mainly related to engineering (electrical, automotive) and energy, not primarily chemistry.
• Genetically modified crops increasing the food supply: While there are some chemical aspects in genetic modification processes (like understanding DNA chemistry, using chemical agents in gene editing or crop protection), this is more related to biology (genetics, botany) and agriculture. However, among the given options, it has a very broad impact on global food security, which affects human lives worldwide in terms of nutrition, economic stability related to food, and reducing hunger.
• The development of toothpaste: It is a chemical - related development but its impact is more on personal oral hygiene on an individual level rather than a global scale affecting human lives in a fundamental way like food supply.
• The development of baking soda for use in baking: It is a chemical application but its impact is limited to the food - baking industry and has a relatively narrow impact on human lives compared to increasing food supply.

Answer:

B. genetically modified crops increasing the food supply