Perth is Australia's most ________ city.

The population of the world just s____________ 8 billion.

The ______________ of a city is the basic systems and services that are needed in order to support that place, for example, transport , communication systems, electricity and water supplies

To ___________ is to restore (a stock or supply) to a former level or condition.

What is in this picture?

Wind ________ work on a simple principle: wind _______ use wind to make electricity. Wind turns the propeller-like blades of a ______ around a rotor, which spins a generator which creates electricity.

The average ________ _______________ of Australian women is 4 years longer than that of men.

The day we r____o_____ of fossil fuels it will ''break the internet''!

Solar, hydro-electric and wind are all forms of ____________ ___________.

A small group of people believe the earth is flat and governments around the world are trying to cover it up! The majority know this is a ___________________ _______________

Most cars in Australia use p______ as fuel.

In Elizabethan London, people used to throw their waste out of the windows as they didn't have a s_______ system at that time.

Experts claim that climate change is causing ____________ to melt.