Which in the following ones is the natural reason that creates air pollution?

An English proverb says: “Lose a battle, but win a war.” Which of the following historical events best matches the proverb above?

What is the symbol for the national border on a map?

Đạt follows the instruction to finish this process below.

Four friends make predictions on the result of a race for 4 runners An, Bình, Cường, Dũng:

- An finishes second; Bình finishes third.

- Bình finishes second; Cường finishes fourth.

- Cường finishes third; Dũng finishes second.

- Dũng finishes first; Bình finishes third.

Four runners finish in four diferrent positions, and each friend has one correct prediction, and one wrong prediction. Which position does An finish?

What activity is described in the image on the bronze drum in Hùng’s time?

Which of the following countries lies in the Southern hemisphere?

A solution is a _______ mixture that combines a solute and a solvent.