Astronomy can best be described as a "<span>a. study of objects beyond earths atmosphere", although the subject of astronomy can be much more complicated. </span>
It is D because you are inferring the rest are statements the dog barking you can obviously hear it vinegar has a pungent aroma you can smell it. the flower is pink you can see it. but a cup with steam coming from it will be hot to the touch. it says "Will be" which implies that you haven't actually touched it yet. I know which question your talking about.
They are inherited from different parents