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There is no element in 2s3
Newtons universal law of gravitation
hope this helps
Answer:
B
Explanation:
It is important to only test one variable at a time because you need to be able to disprove or prove a problem with just one independent variable. When you have several variables in the experiment, it would be impossible to know which variable honestly caused the end result.
Answer:
yes. I think
Explanation:
im not really sure though