Build several models of his tree house out of different materials, and see which model holds up best to wind, water, and ice.
A - <span> Both have many layers of membranes.</span>
The correct option is C.
The second action emphasized by the Energy Policy Act of 2005 is that the government will continue to look for and develop alternative energy sources. In the Policy, the government considered the following energy sources, either for improvement or as a new source: wind energy, geothermal energy, coal and ocean energy sources,
The equation for photosynthesis states that the combination of carbon deoxide,
water and light energy produces a carbohydrate and oxygen. the chemical formula for example is 6co2+6h20+light energy=c6h12o6+6o2. hope it helps.
:)
Answer:
Solid, liquid,gas, plasma
Explanation:
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