Answer:
It looks really good! I think your teacher will like it!
Explanation:
Rome was one of the richest and protected cities, and I can see there two correct options. I bet one than more is acceptable, so B.
Rome was built on seven hills, which offered natural protection from invaders. and D.
The climate of Rome was good for growing a variety of crops. are the truthful reasons why this city has a good site.
The answer is The unsorted sand and rock is the least porous. The porousness of a solid material is dependent on the size of holes within it. This can be tested by how quickly, the material can pass a liquid through it. The bigger the holes, the higher the porousness, In this case, the unsorted sand and rock have the smallest holes between its particles.