Fracking

Fracking is a technique in which a fluid is delicately ejected into the underground.

• True

• False: a fluid is injected at high pressure.

• False: clean water is injected into the underground.

fissures = cracks

• No

• Yes

• Maybe

• I don't know !

With the fracking technique, you can also extract crude oil.

• Impossible !

• Maybe...

• Yes

The influx of fracking development brought jobs and tax revenue to rich areas of the USA.

• True

• False

"At the same time, fracking TRIGGERED concerns about the environment."

• TRIGGERED = " a armé "

• TRIGGERED = " a fait exploser "

• TRIGGERED = " a provoqué "

"One CONCERN is that fracturing underground rocks will allow shale gas to migrate into drinking water."

• CONCERN = fear

• CONCERN = scared

• CONCERN = frightening

Most oil companies and environmental officials agree that accidents are extremely unlikely.

• True

• False

Drilling is usually done very deep into the Earth's crust, at 7,500 to 8,000 meters.

• False: it's done at 1,500 to 2,500 meters.

• True

• False: it's done at 2,500 to 4,500 meters.

Of course, the citizens are informed of the composition of the fluid that is injected.

• Yes: the fluid is composed of water and sand.

• No: the citizens don't know the precise composition of the fluid.

• Yes, the composition of the fluid is not top secret !

Contaminants leaks never happen.

• True

• False