Which of the following characteristics describe the outer planets?
a: high density, large gas giants, made of metal and rock, have no moons

b: small gas planets, high density, made of rock and metal, many moons

c: large gas giants, made of helium and hydrogen, many moons,

d: low density, smaller than inner planets, made of helium and hydrogen, no moons

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1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

characteristics of hydrocarbons