A= mass number = number of protons and neutrons in the nucleus
Z= number of electrons = number of protons
Given, number of neutrons= 30
Z = A - 30 = 70 - 30 = 40
Z = 40
I hope I was helpful
Yes it is just in the back which still makes it negative
Answer:
A. Along warm-water currents from warmer regions to colder regions
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Explanation:
