Answer:
Canals are also used to transport water for irrigation and other human uses. In California the water supply situation has been relatively unstable
Explanation:
Social studies is a discipline that includes humanities such as geography, history, and political science. The primary purpose of social studies is to help young people make informed and reasoned decisions for the public good as citizens of a culturally diverse, democratic society in an interdependent world
a globe is a 3-dimensional scale model of Earth or other spheroid celestial body such as a planet, star, or moon. Some terrestrial globes include relief to show mountains and other features on the Earth's surface. The word "globe" comes from the Latin word "globus" meaning round mass or sphere.
It’s B, Dangerous air pollution
