to conserve the scenery, natural and historic objects and wildlife within the parks and to “provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.
I think it’s -6+(-3) + 5 if I am right
D. Has changing conditions as the ocean alternates between high and low tides.
Is this part of a story because theres no evidence to show how you would know