If a keystone species is removed the whole ecosystem will collapse because it relies on that one species.
20-18 = $2
18 • .07 = 1.26
2 - 1.26 = .74
Yes, the tax is $1.26, and had .74 left over.
Hope this helped!!
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Oceanic crust is <em>denser than continental crust</em>. It is also younger than continental crust as continental is the older of the two crusts.
Oceanic crust is mostly made of igneous rocks (like basalt) , partially comprised of iron and magnesium.
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