yes it has been used successfully in the past
Yes it has been successful in the past
Hydroelectric energy has been used in the past at many places. An example is Niagra Falls.
yes it has been used successfully .....because of what.......
Only since 1956
what has sulfur been used in the past?what has sulfur been used in the past?
Nuclear energy was first used in the bombs dropped on Japan in 1945. Producing electricity from fission reactors was first achieved in 1956. Is this what you mean by the past?
Tidal energy has been used in the past to run mills, but now the main way to use it is to generate electricity.
Yes, and No. In the past a number of ways to harness the power of water have been used. Time will tell if they can be used in the future.
Hydropower has been used in the past: watermills, sawmills, lifts, ect.
helloooooooo!!! um......oil, coal, gas, water and nuclear energy. Tehe
It has been used for mag wheels
Have is used for present and Have been is used for past continous.
They used solar energy
it has been used for life forms for bones and shells.
been.For example the past participle is used in present perfect tense egI have seen the Eiffel Tower. seen is past participleI have been to Paris. been is past participle.
After energy has been used, the energy transforms to another type of energy. This energy is obviously not usable. This useless energy then collects in the sky to form more useful energies.
Rain forests have been used for paper,oxygen, and medicine.
It has been used to make brass which is a mixture of copper and zinc
Have been and has been are both forms of present perfect.Use have been for I and plural subjects egI have been to China. They have been to China. The doctors have been to China.Use has been for he/she/it and singular subjects eghe has been to China. The boy has been to China.Present perfect is used to talk about something that happened in the past but has result now or is important nowHad been is past perfect the same form is used for all subjects egHe has been to China. We had been to China The doctor had been to China.Past perfect is usually used to talk about something that happened in the past before another thing that happened in the past (past simple).eg He had been to China when I last saw him. - saw = past simple