Kelsey plays soccer and gets grass stains on her shorts. She uses several types of laundry detergent to try to remove the stains, but none of them work. She makes the hypothesis that laundry detergents are not able to remove grass stains from clothing. Which best describes the evidence that fails to support the hypothesis? A. The property can be easily observed.
B. The chemical nature of the substance does not change.
C. The state of matter depends on the amount of substance present.
D. Solids, liquids, and gases contain different substances from one another.

The chemical nature of the substance does not change.

Explanation:

The chemical nature of the substance does not change.

the real answer is b. scintillation counter

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)