Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Sustainable living is a lifestyle adopted by individuals or societies which is geared towards reducing the consumption of earths natural resources. The idea is to lower the carbon footprint by switching to sustainable modes of transport, living spaces, food consumption etc.

In the given passage, the sentences that describe sustainable living are:

1) 'I plan to buy a hybrid for better gas mileage': Since a hybrid is a combination of a petrol engine and an electric motor, it reduces the consumption of fuel and is more energy efficient.

2) 'I am able to carpool with a couple of friends from work' : Carpooling reduces the vehicles on road thereby reducing vehicle exhaust.

3) 'The architects received a LEED certification': LEED certified buildings are energy efficient constructions.

"I plan to buy a hybrid for better gas mileage, but for now I am able to carpool with a couple of friends from work."

"The architects just received a LEED certification for the design."

Explanation:

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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