Answer:
object slows down), the way in which we calculate a drag force will be slightly different. .and “coefficient of drag , is it easy for objects to move through it
Explanation:
If you mean a specific system then the reproductive system...but i haven't the slightest idea as to anything else to do with your question...
D JURASSIC PERIOD BECAUSE THEY CAME UP WHEN DINOSAURS CAME
I think it's called the Acrosome