Ceres is a dwarf planet, so A.
With a pH of 2, it's very acidic and far from a neutral pH and basic. I would say chemical as my answer.
Explanation:
Molecular formula for Propene = C3H6
The isomer of propene is cyclopropane.
(Draw a triangle to show that it is cyclopropane)
Iron is a type of element because iron is metal and metal is also a mineral
Hoped this helped
