The third option "Rhyolitic" would be your answer.
Toxins in the soil would enter through the root system first.
Volumes.
If you put equivalent volumes in a bag, where both weigh the same, the density might get equal.
Hope it helped,
Happy homework/ study/ exam!
They developed to be protected by the hard shell from parasites and ther predators.
The top right picture/ the one with the coins pepper and salt shaker on the counter
Table salt is the resource going to be found
Table salt is sodium chloride