What is the most populated What is the most populated country in the world?country in the world?

CanadaCanadaRussiaRussiaChinaChina

What is the tallest person in the What is the tallest person in the world?world?

Robert PershingRobert PershingSultan KösenSultan KösenJohn W. RoganJohn W. Rogan

What is the biggest tree in the What is the biggest tree in the world?world?

Sequoia treeSequoia treeIcaro treeIcaro treeMendocino tree Mendocino tree

What is the most dangerous sport What is the most dangerous sport in the world?in the world?

BoxingBoxingParachutingParachutingBungee jumpingBungee jumping

What is the most active volcano in What is the most active volcano in the world?the world?

Yellowstone calderaYellowstone calderaMount VesubioMount VesubioManua LoaManua Loa