Read the text. Fill in the gap with the missing part of the sentence.
One part is extra.
Once this is done, the water could be separated into hydrogen and oxygen, providing an atmosphere that can support life.
As for the question of material to build shelters, it would be best to get as many resources as possible from the Moon, since the cost of transport is extremely high. _____________ Luckily, the Earth’s satellite is rich in minerals that could be used to build a future station and even for rocket fuel.

• Just think, 400,000 dollars is needed to send an object that weighs around four kilos to the Moon.
• All the same, we have not found any evidence that the Moon has water.
• Perhaps the human race may be able to live on Mars in the future!
• Yet, we must face the fact that before this can happen we have a few problems to deal with.
• With this information they will be able to finally know if there is water on the Moon.
• Moreover, the poles see much more sunlight, which can be used for solar energy.
• If this is the case, astronauts can use solar energy to melt the ice into water.