Answer:
Submarine W. the closest submarine is the one with the lowest depth, -1.5 km (which should actually be written as an absolute value, 1.5km, depth can't be negative).
y = -5 + 6=1 is your answer
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge
Both are 72 do you need steps?
b
you should use mathaway, it's really useful
