Your answer will be "Trial and Error" hope this helps
Answer: The correct answer is b.
Explanation:
I think the answer is A. Competition. :)
<span>The correct answer is B. Hepatitis B. That is because the other things mentioned here are bacteria which is why they're treated with antibiotics or even more serious things in case like tetanus so as to prevent blood poisoning and sepsis and infections and similar things. Tubercolosis can especially be dangerous if not treated.</span><span />
Answer:
At least three principle methods of desalination exist: thermal, electrical, and pressure. The oldest method, thermal distillation, has been around for thousands of years. In thermal distillation, the water is boiled and then the steam is collected, leaving the salt behind.
Explanation:
Hope this helped