The melting of the ice caps is caused by the greenhouse effect.
 |  Environmental problems |
 |  |  |
 Basia S (45)
 busuu Challenge You and Basia S will have to complete 3 units in 24 hours in order to win 50 busuu-berries  !Remember, doing a busuu Challenge requires a bet of 50 busuu-berries, so make it count! busuu Challenge Basia S just accepted your challenge! Go!busuu Challenge Sorry, Basia S didn’t accept your challenge! Why not challenge someone else? Go to Challenge areabusuu Challenge We sent an email to Basia S! Basia S has 24 hours to accept and start your challenge! Remember you can only challenge one user at a time! |
|
Sat, 12/29/2012 - 01:59
 SpanishKen (55)
 busuu Challenge You and SpanishKen will have to complete 3 units in 24 hours in order to win 50 busuu-berries !Remember, doing a busuu Challenge requires a bet of 50 busuu-berries, so make it count! busuu Challenge SpanishKen just accepted your challenge! Go!busuu Challenge Sorry, SpanishKen didn’t accept your challenge! Why not challenge someone else? Go to Challenge areabusuu Challenge We sent an email to SpanishKen! SpanishKen has 24 hours to accept and start your challenge! Remember you can only challenge one user at a time! |
Great reply. Keep up the good work. |
| 29/12/2012 00:59 | + 1 |
Choose one of the photographs and explain the possible causes that this natural disaster may have.