Answer:
The answer is A) Phytoplankton grow rapidly in the lake then die and decompose.
No, the correct answer is Ecosystem
Answer:
A compound, water is a liquid.
Explanation:
When elements combine (2 of them), they are called a compound.
<span>The respiratory system deals with the body's breathing system, including the mouth, throat and lungs. An example of something the respiratory system doesn't do is anything with the digestive system. The digestive system consists of the mouth, throat, stomach, intestines and colon. It processes food and liquids into nutrients and energy for the body.</span>
2. A. Rubber is a conductor and transfers electricity from the wire.
3. B. Changing tides.
4. B. The fossils may have been moved by man, animals, or Earth's constructive and destructive processes.
5. A. They are produced by drought.
6. C. Stores heredity information.
7. D. Magnets have a set strength , while the strength of an electromagnet can be adjusted.
8. A. Temporary dam.
9. B. Invertebrates.
10. C. Human feces.
11. No answer.
12. A. Gas.
13. C. Increase the number of coils of copper he puts around the nail.
14. A. Sam is correct. It is not a physical change.
15. C. Landslides.
