A ph of 5 is acidic because anything lower than a ph of 7 is considered acidic anything above ph 7 is basic
If a chromatographic column is not placed in a vertical position, the flow and the separation rate of the materials which are been separated may be negatively affected, that is, it may be slowed down, this is because the column is not inclined in the same direction as the flow of the separating substances. Also, collecting the products of the separation will be a bit difficult. If the column is placed in a vertical position, then a test tube can be placed at the end of the column for collecting the separated product
Answer:
B. refraction
Explanation: hope this helps!
The name of this technique is Directed
masturbation.
Directed masturbation is a
technique used to help keep erotic focus during masturbation. It is an
effective adjunct in the management of primary female orgasmic failure. When arousal
feels too low, or when one is having trouble getting enough arousal to reach
orgasm, one of the only treatments that has had consistent results to increase
arousal and reach orgasm is directed masturbation.
Answer:
The answer is b. the theory must be changed or abandoned.
Explanation:
If a scientist finds a contradictory fact to an already existing theory, then after a scientific validation of the new found fact, the existing theory has to be changed or be replaced with a new one.
The rest of the answer options are silly and incorrect!