What type of rock does b represent?

1) igneous rock
2) metamorphic rock
3) rock formed by compaction
4) rock formed by heat and pressure

not completely sure but i think it’s many moons, smaller in size and a ring system.

ń, wǒ shuō yīngyǔ, dàn wǒ huì shuō qítā yǔyán, rú xībānyá yǔ fǎyǔ yìdàlì yǔ hé pǔtōnghuà, suǒyǐ bùyào pànduàn, dànshì

answercharacteristics of place include things like economic activity, architecture,and culture,all of which are human elements that alter or can be influenced by the environment;