Explain the significance of rocks on the agriculture

As these minute rock grains dissolve chemically in soils, they take up carbon dioxide and release plant-essential nutrients. ... Arable farms already apply crushed rock in the form of limestone to reverse acidification of soils caused by farming practices, including the use of fertilizers.

Explanation: Hope that this helps!!

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.

because the center-south is called the heart of the country