Atoms can be broken down through processes

The answer is fission. Fission process includes the collision of an atom with a neutron to split the atom into sub-atomic particles with the release of energy (this is how fission atomic bombs detonate). This fission process also occurs naturally in elements such as Uranium through radioactive decay.  

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explanation:

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1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)