Answer:
C
Explanation:
It's an exersize done without oxygen :)
Answer:
Acids lower the pH of freshwater and bases raise the pH of freshwater.
Explanation:
If a substance is too basic, it could possibly harm another organism living in the freshwater source. If it's too acidic, it could possibly make unsafe living conditions in that environment. That's why you should always check the pH level in the fish tank and in the pool to see what the pH is. A pH of 6 - 8 is always safe for fish, whereas a pH of 5 - 9 is safe for pools.
Explanation:
Acids: 0 - 6
Neutral: 7
Bases: 8 - 14
A) use your max heart rate, which is determined by subtracting age from 220
hope this helps :)
Answer:
an option at both child-care homes and facilities. Failing to protect a child from harm is: Child abuse.
Explanation:
