Answer: 4
Explanation:
4 is the only one that has to products as well as having the plus at the bottom
Answer:
Copper
Explanation:
copper is used in the wiring of the phone
Answer:
Potassium is an element that has 19 electrons
Answer:
w w w . g o o g l e . c o m
Explanation:
Volume of water plus sample minus volume of water in graduated cylinder