Switch A and D, but other than that your answers are correct.
An astronomical body is an object in space.
A comet is a celestial object consisting of a nucleus of ice and a stream of gas and dust.
A moon is an astronomical body that orbits around a planet.
A galaxy is a system of start held by gravitational attraction.
The set of synonyms would be picked and took.
If you suspect that a victim has closed abdominal injury, the best thing to do is to carefully position the victim on his or her back and loose any tight fitting clothing that the person may have on.
Positioning this victim like this will prevent the risk of causing further injury.
<span>I think you're looking for August Weismann who disproved the idea of inheritance of acquired traits from somatic cells (body cells). By doing so, he proved that inheritance only takes place by germ cells (gametes). </span>