“Natural law, in philosophy, a system of right or justice held to be common to all humans and derived from nature rather than from the rules of society, or positive law.”
River valley trade made them key economic areas.
Hope this helped. :)
Answer:
1.B 2.A,C,D
Explanation:
A mineral is a naturally occurring, inorganic compound with a unique chemical structure and physical properties. A rock is a solid, stony mass composed of a combination of minerals or other organic compounds. For example, quartz and feldspars are minerals, but when formed together, they make a rock, granite.
