CAM 14- TEST 1- L- BLANK 2

That’s not necessarily a problem, except it means more and more  (a)   s are discharged into the rivers.

these are brought  (a)   to the cities

they built the .................... ......................s too close to sea level, and now sea levels are rising, they’re more or less useless

(a)  

it’s qoing to be a long time before countries come to a decision on what principles they’re prepared to ............... .................

(a)  

We should mention some geographical factors, things like  (a)   s and river estuaries and coastal erosion and so on

We should mention some geographical factors, things like wetlands and river (a)    and coastal erosion and so on

scientists have been working out how we can (a)   energy from renewable sources, such as the sun and wind, without causing pollution.

Today I’ll outline marine renewable energy - also called ocean energy - which (a)   es the movement of the oceans.

Burning fossil fuels, like gas, coal and oil, seriously damages the environment and they’ll eventually ....................... ................

(a)  

scientists have been working out how we can derive energy from  (a)    sources