Choose the suitable words to complete the word combinations about global concerns.

Choose the correct option.

An ice [cap|hat|nap]

An [endangered|environment|environmental] problem

First [air|aid|aim]

[Global|Globe|Globus] warming

Endangered [dangers|animals|problems]

A [resort|risk|rescue] team

The greenhouse [effect|affect|warming]

[Children|Child|Childhood] labour