depends on the situation but I would write N/A
Segregation was unconstitutional.
Snake river is the most known river to run through idaho
1, Comparing the composition of the crust to other bodies in the solar system
2. By studying things from Earths layers that have been pushed up through the cracks of the crust.
3.By measuring diffrent kinds of vibration from earthquakes
3.By doing laboratory expirements
I HOPE THIS HELPS YOUU!!!!!