3 years ago

Having a control group is important when doing an investigation why?

Chemistry

2 answers:

vivado [14]3 years ago

8 0

Answer:to help understand the stuff more

Explanation:

aleksandr82 [10.1K]3 years ago

3 0

Mark Brainliest please

Answer :

Dependent variable depends on the independent variable. ... In a control group in an experimental investigation the independent variable is omitted. Thus the goal is to test if the dependent variable shows any change in the absence of the independent variable.

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Which is an element? A: H20 B: NaCl C: Mg D: CO

Talja [164]

The answer is option D "CO." Co also known as Cobalt is the 27th element on the periotic table. It was discovered in 1735, it's boiling point is 3200 k.

Atomic mass: 58.9332
Protons: 27
Neutrons: 32
Electrons: 27

Hope this helps!