| A belt of low pressure near the equator where the trade winds of the Northern and Southern Hemispheres meet, characterized by intense convective activity and thunderstorms |
| The magnetic boundary between the North and South poles |
| The layer of ozone protecting the Earth |
| A high-altitude jet stream over Europe |
MENU
EN 
IT
ES
DE
FR
PL
CZ
RS
Exam Questions
Training Quiz
Exam simulation
PDF Exam
Contact Us
Prices
Are you a school?
App Mobile