What are the alternative energy sources currently show great promise but need considerable development to be commercially applicable on a large scale?

The outer banks of north carolina are barrier islands that are subject to seasonal hurricanes and flooding. houses constructed along the shoreline and beaches of the outer banks would be most similar to houses in which of the foloowing locations

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day