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TiliK225 [7]
3 years ago
15

Why are experimental investigations the best type of scientific investigation to demonstrate cause-and-effect relationships? ple

ase help lol
Chemistry
1 answer:
lyudmila [28]3 years ago
7 0

Answer/Explanation:

Experimental investigations are the best type of scientific investigation to demonstrate cause-and-effect relationships because they allow the investigator to actively manipulate variables and control conditions. This change can be measured to gather evidence to support or refute the cause-and-effect relationship. Experimental investigations also use a control group a group that does not receive the factor being tested for comparison.

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Akosua has observed that anytime she drinks sobolo, her stool appears dark green. On one occasion
Anna007 [38]

Answer:

i. Sobolo is a Ghanian drink that is produced from red hibiscus flower that has an average pH of 6.7

It contains cyanidin and anthocyanins, which is a red pigment that is red in an acidic medium and changes green when introduced in a basic medium that has a high pH

The pH at the rectum of the digestive system = 5 to 8 (Slightly basic)

Therefore, what made the stool of Akosua green is that the sobolo drink changes to green in basic solution

ii. The stool which appeared green because she took sobolo turn into bright red upon mixing with the acidic WC water because of the presence of anthocyanins in sobolo, it turns red in an acidic medium

iii. Sobolo which turns green, or blue in a basic medium and red in an acidic medium can be used as a litmus solution to test the pH of a given substance

Explanation:

Sobolo or soobolo in Ghana is a name for the Hibiscus tea or tisane, which is made from calyces of the hibiscus plant, and has a sour (tangy) taste and appears bright red in color

8 0
3 years ago
Number of electrons the atom my accept from another atom?
ZanzabumX [31]

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Yes atoms can accept the electrons from another atom like

Chlorine accept electron from hydrogen.

Explanation:

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3 years ago
Which of the following is not a type of mechanical wave?
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Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
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DDT was banned from use as a pesticide in the United States because
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Which is a reactant in the cellular respiration reaction
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