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6
|
to make electricity we can turn a .............
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7
|
how many years does it take to replace a resource for it to be classified as renewable
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8
|
heat and light and photosynthesis all result from .......... energy
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10
|
CO2 + Water + light -- O2 + sugar
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12
|
a valuable mineral mined in WA
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13
|
making energy from splitting atoms
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14
|
coal and oil are types of ............... (2 words, no space in between)
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15
|
happens in iceland. Making energy from the heat of the planet earth.
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19
|
this is sometimes how weathering can occur
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20
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the point at which an object orbiting the sun in an ellipse is furtherst away
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21
|
all plant and animal matter found on earth
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22
|
non contact force that attracts any two objects with mass
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23
|
layers of gas above the planet earth
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26
|
the tilt of the earths axis is responsible for the .............
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27
|
the 2nd largest planet
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28
|
inside a turbine is a coil of wire and a ............
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