Why does a rock tend to become more rounded?

What is found within a ranger tower overlooking a drained lake

How does an island of development promote economic development? a. islands of development contribute to mining industries because they continue to form mountains.b. islands of development have been ruled by dictators since the 1950s as part of an economicexperiment.c. islands of development promote international development by creating new islands.d. islands of development stimulate job creation in underdeveloped nations. select the best answer from the choices provided.0 000

In africa what do they call a crop grown for direct sale and not for use?