Answer:
A
Explanation:
I think it a because it seems more like the right answer
Which sources of error could cause you to draw an incorrect conclusion to an experiment? Select all that apply.
1: testing too many times
2: not testing enough times
3: testing more than one variable
4: human error
Answer: Human error, not testing enough times.
- if it's not these 2 then it's Human Error, Not testing enough times, and testing more than one variable.
Hope this helps! :)
What elements are represented by the chemical NaHCO2 formula?
A. nitrogen, helium, carbon, oxygen
B. nitrogen, helium, cobalt
C. sodium, hydrogen, cobalt
D. sodium, hydrogen, carbon, oxygen
Answer: D.
Explanation: Na= Sodium, H= Hydrogen, C= Carbon, O= Oxygen
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