Radar because the waves are reflected back off of the source so with the reflection it's hard for them to see earth surface.
Minerals, organic matter, water and air.
<span>Andesite:
</span><span>a dark, fine-grained, brown or grayish volcanic rock that is intermediate in composition between rhyolite and basalt.</span>
like the earth smaller then the sun but it orbits around the sun tho
