Answer:
C. Use of a semi permeable membrane.
Explanation:
This techniques improves water taste and odour. It also helps to remove contaminant from water and also impurities. it is effective and safe to use and the system is fully automated and it works as a filtration technique.
Answer:
b. the ocean regulates climate
Explanation:
The answer would be A. thick filaments!
The answer is true because the top of the list would be the selection sorr