The reactants involved in a chemical reaction are shown. how many o atoms must be present in the product thy forms from this reaction?
a.1
b.2
c.3
d.4

2

Explanation: The balanced equation would be: Na2O + H2O -> 2NaOH, meaning that the product (sodium hydroxide) has 2 moles of oxygen atoms.

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)