Zero and First Conditionals

You .......... if you .......... enough water.

The Arctic Ocean becomes almost completely covered in ice when it ............ winter.

If you go through the Sahara desert by foot, it ........... you nearly 50 days to cross it.

If water freezes, it ...

If it rains, ........... an umbrella!

You .......... money and .......... the environment if you carpool.

When we heat water to 100°C (212°F), it ..........

When Arctic ice caps and glaciers melt, sea levels ..........

When we recycle one ton of glass, we ............ 315 kilograms of carbon dioxide.

When you are cold, you .......... more warmly.