Solar nebula a shapeless cloud of gas
and dust
solar system
?
a flat, spinning cloud of
gas and dust
accretion disk
contains stars and planets

It is the second answer

Answer(12) judaism; ans(11) all of the above; //ans(10) islands that are artificially created; //ans(9) people accept that the caste system keeps order in society and prevent chaos; ///ans(8),brahman; ans(7) the sikhns; ///ans(6); the non-cooperation movement; asn(5)sporadically grant congressional requests; /ans(4) all of the above; ///ans(3) true; //ans(2) true; //ans(1) false;

The answer is    d.  central highlands

Well, a and b together would be negative. b alone would also be negative.