Eco - quiz (climate change)

The Amazon rainforest is

• the big forest in the world

• the biggest forest in the world

• the bigger forest in the world

The Nile river is

• the longest river in the world.

• the longer river in the world

• the longerest river in the world

The ice in the Arctic is ........ than in the past.

• thinnerest

• thinner

• the thinnerest

The number of wild animals is ............ than it was.

• lowest

• the lower

• lower

The air pollution is ..... than in 1937.

• worse

• worser

• the worst

The number of all people in the world is ............... ever.

• higher

• the highest

• the higher

The Earth's climate is ............ than in the past.

• the warmer

• the warmest

• warmer

The carbon dioxide level in the atmosphere is ................ than in 1937.

• higher

• the highest

• lower

• the lowest

Global warming is .............. than in the last 2000 years.

• as fast as

• faster

• the fastest

The Earth is .......... and ........... than in 1937.

• hotter and drier

• the hottest and the driest

• as hot and dry as