Which words or phrases describe the outer planets? check all that apply.

2. gaseous

4. low density

explanation:

the outer planets are the four planets in the outer part of the solar system. they are much larger than the inner planets. these planets are mostly made out of gasses, such as hydrogen, helium, methane, and so they have lower density than the inner planets which are mostly made of metals. since these planets are made out of gases, and their temperatures are very low, they have gasses that are in liquid form. they are not completely made out of gasses though, but instead they have some rocky parts in their core, with neptune and uranus having larger portion of rocks than saturn and jupiter.

vodka and hennesy

explanation:

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.