Commentulism: one organism has benifit, other no affect.
Mutualism: both organisms have benifit.
The first one is atoms cause they are all the same type of particles. The blue one is the molecules that is not compound cause they aren't connected to each other. The other two are compound cause two atoms of two different elements are bonded together.
Maggots<span> are creepy, crawly, and slimy. But that slime is a remarkable </span>healing<span>balm, used by battlefield surgeons for centuries to close </span>wounds<span>. Now, researchers say they've figured out how the fly larvae work their magic: They suppress our immune system. </span>Maggots<span> are efficient consumers of dead tissue.</span>
A might be it not to sure sorry
1. D
2. B
Those are your answers hope this helps!!