Which of these diseases can be caused by air pollution?
A process of areas swamping, due to raising of water level in rivers, seas and lakes. What is it?
What are the reasons of nuclear disasters and oil spills?
Why do airplanes harm the Earth?
Which of these disasters isn't natural?
Where was the largest earthquake in the world in 1960, that entailed a great tsunami which caused damage over 14 000 kilometers away?
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома