The solid metal inner core is the most dense
Are you sure it isn’t SO3+H2O = H2SO4 because that would be combination (synthesis) A+ B=AB
Or SO3 + H2SO4 = H2S2O7
Because that would also be synthesis
Yes Animal and plant are cell living
Medium sized - D
Dwarf - C
Neutron Star - A
Supergiant - B
Giant - E
Hope this helps :)
less than the force of gravity from mars to earth