Which of these planets has an atmosphere made up of hydrogen, helium, and methane?
Correct answer: Uranus

Player #2591264
How could people think it’s earth?

Player #7248351
Great app to learning experience

JTP
The answer is Neptune

Ironstine
[bobbo16], Uranus better answer . eg trace elements are ignorable . trace elements are like dwarf planets.. trace elements are those not mentioned in the basic composition ..

Player #96919
Player #2591264, exactly, to think anyone could survive on that planet!

Player Elf Counsel
[bobbo16], It does mention methane in the answer. Says ice composed of it along with other gases.