Save : use less electricity and gas.
Floods, hurricanes, storms and tsunamis are natural .
Winter is the shortest in the school year.
Green Peace is an organization.
These plants have in them, so don't touch them! You will get poisoned!
What countries have weapons?
Moscow is a city with of over 10 million people.
Industrial was dumped into the local river.
This medicine will help to this illness.
Platypuses (утконосы) are very strange and unusual .