Answer:
D
Explanation:
The correct thing to do in this case would be to <u>repeat the experiment.</u>
The scientist would need to repeat the experiment in order to double-check the accuracy. If the accuracy is indeed doubtful, he/she can be able to trace the source of the error by repeating the experiment.
The correct option is D.
Answer:
The answer is "
"
Explanation:
Given:
Molarity= number of moles
because it is 1 Liter

therefore,
it takes 20 mL of Tris.


So, take 
The equation is:
3 O₂ + 4 Co → 2 Co₂O₃
Oxidation half reaction:
Co → Co³⁺ + 3 e
Reduction half reaction:
O₂ + 4 e → 2 O²⁻
To balance the equation number of electrons lost must be equal to number or electrons gained so we must multiply oxidation half time 4 and reduction half times 3
The organs of the digestive system such as the pancreas, liver, stomach, small intestine, and large intestine help in the digestion of food.
<h3>What are organs?</h3>
Organs are a collection of tissues that are closely related and which perform a related function.
The role and function of the organs of the digestive system are as follows:
- Pancreas - produces pancreatic juice which contain digestive enzymes
- Liver - produces bile for the emulsification of fat
- Stomach - serves as a temporary store of food and produces digestive juices
- Small intestine - functions in food digestion
- Large Intestine - helps to remove undigested food from the body
Therefore, the organs of the digestive system such as the pancreas, liver, stomach, small intestine, and large intestine help in the digestion of food.
Learn more about digestive system at: brainly.com/question/956634
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