I will mark brainlis if i can... What characteristic makes a star and a comet different from each other?

(a) A comet revolves around a star.
(b) A star is composed of gas.
(c) A comet is brighter than a star.
(d) A star has a bright tail behind it.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

If three points are collinear, they are also coplanar

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a. d. is congruent to segment ac. d.)segment a. d. is congruent to segment dc.