No, astronomy is the study of space
The variable is independent because you are affecting it by changing it individually. It would be dependent if you changed one variable then the water was affected.
In Texas, this region is divided into three distinct sub-regions: the High Plains, the Edwards Plateau and the Llano Basin.
Answer:
D
Explanation:
There are many food chains within a food web, so D seems like the best possible answer :)
