one! i wish you good luck on your test/assignment <3
I suggest you watch the Amoeba Sisters video again, 1-2x and take notes.
Biomagnification is when toxins / heavy metal are present in small amounts in fish, but accumulate as you move into higher trophic levels. This is one reason why it can be toxic for humans to eat tertiary or quaternary consumers, such as swordfish, shark, etc.
<span>Correct answer:
"C.it does not show mountains regions."
All the other options are present in the map and therefore would not present a limitation of the model. Mountains' regions are not shown on the map and that could be a limitation, mostly for someone that's looking to know the relief of America. A map showing relief would have to use</span><span> different colours or textures to represent the height or depth of America's terrain.</span>
