being physically active can, control losing/ gaining weight, improve our cardiovascular system, strengthen bones/muscles and improve our mood and mental health. being physically active can help us live longer because it decreases the risk of type two diabetes and cancer.
i hope this helps : )
The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
Go on edu birdie the help good this is just for ur opinion on it