Which of these is an example of an endoparasitic relationship?
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a. a tapeworm living in an animal's intestine
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b. a rabbit eating lettuce in a farmer's garden
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c. a tick living in an animal's fur coat
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d. a snake eating a mouse in a cornfield

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.