B. Dissolved Oxygen
is a measure of the oxygen in a body of water.
What is the question? Because that’s true
Answer:
is a weak acid with a strong conjugate base 
is a weak base with a strong conjugate acid 
Explanation:
Weak acids do not completely dissociate in water to its distinctive ions, but instead forms conjugate bases; and ice versa with weak bases. The conjugate base has strong affinity for protons and vice versa.
I hope you found this explanation clear and easy to follow.
Calcium citrate malate contains the calcium salt of citric acid and malic acid
A. Organic catalysts are called enzymes.
Explanation:
The true statement of all is that organic catalysts are called enzymes. For example, saliva in the mouth is made up of different enzymes which are secreted in the human body.
- Catalysts reduces the activation energy and makes reaction proceed very fast. They generally increase the rate of chemical reactions.
- Catalysts like temperature affects the rate of chemical reaction. Chemical reactions increases as temperature increases.
- Catalysts in the human body are very useful because they help chemical reactions in the body to proceed at a much faster rate.
Learn more:
Biological catalysts brainly.com/question/8413755
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