In an experiment, some magnesium ribbon is weighed and its mass is recorded. it is then placed in a crucible and heated. once hot enough, it combines with oxygen to form magnesium oxide (mgo). observe the data table provided. why does the law of conservation of mass appear violated?

B)Some of the product escaped as a vapor from the crucible.

Explanation:

Impurities and magnesium not reacting completely would not lead to less product necessarily. Nitrogen gas getting into the crucible would lead to a larger product mass.

the answer is

c. parental

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)