Observation is broken up into three parts. The first is the date. Then you have the activity and last you have a brief description of what is being observed.
Answer:
Pancreatic juice, NaHCO₃.
Explanation:
The buffers are the chemical solution which neutralizes the acidic effect and the human body also produces the biological buffers which help maintain the pH.
The pancreatic juice secreted by the pancreas gets drained into the duodenum of the small intestine and neutralizes the effect of the acidic content in the stomach bolus. The pancreatic juice contains the sodium bicarbonate which neutralises the effect of the HCl.
Thus, Pancreatic juice, NaHCO₃ is the correct answer.
A, because of evolution things are constantly changing. DNA is written with letters and we are nearly identical but yet a few chromosomes make up our differences, but everyone has the possibility of a bad bacterial causing a DNA change which completely changes our reading
It depends on which forms they come in.
Alternative hypotheses have to be tested to know if they are incorrect or correct. It would be Answer D.