It would be B.) ospreys; decomposers
Since ospreys eat nothing but fish, if all of the trout died from a disease, the ospreys wouldn't have anything to eat because all of the fish are dead. This results in a loss of energy for the ospreys.
However, decomposers would gain more energy because they gain their energy from dead creatures, in this case, it would be the trout.
A
It is used to represent the number of atoms in the element. H2O is 2 Hydrogen molecules and one oxygen molecule, however we don’t wright the 1.
Modern Prokaryotes are sing celled organisms without complex organelles.
Hope I helped :-)
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Sugar on the water is homogeneous and pebbles in water is heterogenous