A Qualitative Observation is an observation that uses the five senses. sight, smell, hearing, touch, and taste. An example of this would be: "This tree has bright green leaves that have soft bumps on them."
The opposite is a quantitative observation, which is measured in numbers, such as the weight or length of an object. For example, 5 pounds or 100 inches. For instance "The stratosphere begins 40 kilometers above the surface of Earth."
to solve a problem.
to improve a situation.
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Amino group(NH2), Carboxyl group(CO2), and the side chain, represented by 'R'
H .....H ....O
..\ ....| ...//
...N--C--C
../.... | ...\
H..... R ....O-
there are 2 atoms of hydrogen in water
To ensure that good and reliable data are collected