by Mario Toma

Heaven's notes p.131

140715 — 2016-01-25 18:39:11 UTC

recycling is the process of recovering material from waste or scrap.recycling reduces the amount of natural resources natural resources that must be obtained from Earth.some examples are paper because it reduces the number of trees that must be cut down to make new paper.it also conserves energy.energy is needed to recycle materials.less energy is needed to recycle an aluminum can than is needed to make a new one.newspaper,glass,aluminium cans,some plastic packaging,and cardboard boxes can be recycled.

marshall's notes

145368 — 2016-01-25 18:39:18 UTC

130 is my page my notes are about we use a lot of energy' my en

Alejandro´s notes

115396 — 2016-01-25 18:39:20 UTC

129 renewable resources are natural resource that can be replaced at the same rate which the resource is used.
for example trees are renewable.nonrenewable resources are resoources that forms at a much slower rate than the reate it is used.for example,coal may take thousands of years.petrolem and natural gas are other examples of nonreneable resources.

Fadi Notes 128 p #

122116 — 2016-01-25 18:39:47 UTC

A natural resource is any natural material that is used by humans.Examples are air,soil,fresh water,petroleum,rocks,minerals,forests,and wildlife.they are used to make peoples lives better and comfortable.the energy of these resources, such as gasoline and wind,comes from the sun´s energy.

1411761 — 2016-01-26 17:54:49 UTC

140715 — 2016-01-26 17:56:24 UTC

1411761 — 2016-01-26 17:58:17 UTC

1411761 — 2016-01-26 17:59:51 UTC

non renewable

1411761 — 2016-01-26 19:16:24 UTC

Petroleum,coal,oil,natural gas,metal,minerals,and fossil fuels.

Renewable

1411761 — 2016-01-26 19:18:20 UTC

water(salt),oxygen, fresh water, solar energy, timber, biomass, wood, paper,leather,wind power,hyroelectricity,biofuel,Geothermal,and tidal power.

Solar cooker Invention

140715 — 2016-01-27 19:11:29 UTC

Blood lamp

1411761 — 2016-01-27 19:13:43 UTC

White Goat

1411761 — 2016-01-27 19:15:55 UTC

The Spherical Sun Power Generator

140715 — 2016-01-27 19:17:13 UTC

Le Petit Prince

1411761 — 2016-01-28 15:50:48 UTC

Student projects

1411761 — 2016-01-28 19:13:09 UTC

Student project

1411761 — 2016-01-28 19:16:40 UTC

1411761 — 2016-01-29 19:04:26 UTC

140715 — 2016-01-29 19:13:24 UTC

140715 — 2016-01-29 19:17:31 UTC