Answer:
Yes, with a condition.
Explanation:
Renewable energy sources and have always been available on the planet, but until recently, humans have not had the technology necessary to harness them. Since solar and wind energy are limitless, it clearly makes sense to invest the necessary amounts of money to build one-time infrastructure capable of powering all human activity without depleting natural resources.
The condition that is a prerequisite already being fulfilled is that technology be developed to make alternative energy solutions <em>economically viable and profitable </em>enough to be able to compete with traditional non-renewable sources.
The answers are B and also C.
Convection. Thermal Energy is transferred from hot places to cold places through Convection.
4. large and the objects are close together
True, a common cause of Pyroclastic flows is gassed expelled from a volcano during an eruption as well as dense, fast moving solidified lava pieces.