Which form of energy is a solid?

natural gas
coal
oil
ethanol

As a result of the work of the house un-american activities committee, hundreds of people were

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery, what does that mean and did cornado follow his orders

How did the iran-contra affair impact the conflict between the united states and the soviet union? what role did the iran-contra affair play in both iran and nicaragua?