Answer:
C
Step-by-step explanation:
trust
Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Answer: x=1
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
If each weight is the same than we can simple multiply the weight of one by the number of weights there are

4:5 because a quadrilateral has 4 sides and a pentagon has 5 sides