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Some Primary pollutants are like when humans directly put them in the air Secondary pollutants are like when pollutants react with Primary and other Primary pollutants.
Humans are omnivores which makes them both primary and secondary consumers.
The primary host of a tape worm would be the pig, it is when humans eat uncooked pork that the eggs of the tape worm are passed on to the secondary host us (humans).
Most humans are both primary and secondary consumers. They eat both plants and animals as omnivores.
A human being is a Third level consumer. A human can eat a second and first level consumer as well. Actually, humans can be both.
humans talk, phones answer.
1-2% the same difference between female humans and female chimpanzes
Humans are more complex organisms.
Cats do not have appendix and humans do.
the difference is the human one is for humans and the chicken one is for chickens. We humans eat chicken.....".........'........'..........lawls
Humans are a subset of the bigger Group mammals.
are protozoa and amoeba the same