Answer: True
Explanation: As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense.
There are two things that could be done. The first is to increase the mass of the objects. The second is to decrease the distance between the center of masses of the objects.
We won't be able to see the moon
Circular lines on topographic map is called Contour lines these lines shown on two dimension map and depict elevation on the ground . the distance of each contour line is set to represent a certain level of elevation with zero being sea level . mostly map use distance between coutour lines is 10 m