Answer:
Qualitative observation is an observation in which the apperance of something is described using descriptive language
Explanation:
Qualitative observation is done to test the quality or purity of a substance being examined.
Qualitative observation is based on nonnumerical information.Qualitative analysis helps us to study whether a particular functional group,ion or atom is present or absent in a given sample.
Answer is number 1
Oxygen O2
Ozone O3
Mitochondria create energy and the more energy a being needs, the more mitochondria or the bigger the mitochondria
I would say A, because if a person was not digesting food properly a high concentration of unabsorbed nutrients in your intestines prompts an influx of water, which would also lead to diarrhea.
Hope this helped
There is a change in amino acids sequence causes these mutations, If there is an error in the order of amino acids during the process of multiplication, there is a special enzyme to repair errors