Global warming is...
The significant temperature for the Earth is...
What causes global warming?
What produces carbon dioxide?
The trapping heat from the sun and warming the Earth is...
Choose two huge reasons for global warming
How often does the Earth change its position?
What is Holocene?
Acid rain contains...
The type of acid rain that contains water is...
Acid rain formed with dust or gases is ...
Choose all sources of acid rains
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома