SammyTheFox
SammyTheFox
22-10-2021
Mathematics
contestada
Help me or I will steal your caprisun.
Respuesta :
mhanifa
mhanifa
22-10-2021
Answer:
C and D
Step-by-step explanation:
A.
Incorrect
as the directions are not opposite.
B.
Incorrect
as - 40 - 10 = -50 m ≠ 0.
C.
Correct
as the same amount is added and subtracted, resulting in zero.
D.
Correct
as protons and electrons have opposite charges, their sum is neutral.
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