Negative force
The woman is applying force to stop the child or to prevent him from running.
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Answer:
The structures in the cell work together to perform its life functions
Explanation:
Objects in the fountain appear to be somewhere but isnt
Answer: The empirical formula is
.
Explanation:
Mass of C = 1.71 g
Mass of H = 0.287 g
Step 1 : convert given masses into moles.
Moles of C = 
Moles of H = 
Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.
For C =
For H =
The ratio of C: H = 1: 2
Hence the empirical formula is
.