Answer:
The Indus Valley Civilization was an ancient civilization that lived in the area along the lower Indus river. The area is now Pakistans and Western India. This civilization is considered to be one of the great early civilizations along with Ancient Egypt and the Sumerian Civilization. The people of the Indus Vally Civilization planned their cities in a grid format and they paid attention to personal and public hygiene.
Explanation:
The physical and human characteristics associated with the Indus Valley civilization are:
1) streets planned on a grid
2) Hindu Kush Mountains
3) large central granaries.
I believe it would be that D) it could help to protect other English colonies. This is because of its relative position. Being to the south of the other colonies and directly North of Spanish Florida, it would serve as a buffer between the English colonies and the Spaniards.
The Clean Air Act - United States federal law designed to control air pollution on a national level.