What percent of colombians are younger than age 15

Can you give me 10 impacts of global warming? the one that gives me causes and responses gets the brainliest answer : )

How do convection currents form underwater mountains?

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy