romet31 romet31

15-04-2019
History

contestada

What is the history of energy source

Respuesta :

gennybugg gennybugg

15-04-2019

Throughout history, we have made lots of discoveries using energy. Before 1850, wood was our main source of fuel for heating, cooking and producing steam for powering steam engines for the railroads. Other sources of energy were water, wind, coal and some manufactured natural gas.

Answer Link

Otras preguntas

Find the exact value of x in the triangle below

The black soil that the Nile left on the flooded Egyptian land was called

explain why metallic bondong do not conduct electricity

Question 2 Unsaved Up to _______ percent of body heat can be lost through the head?

Martin and Linda live 855 miles apart. At the same time, they start driving toward each other on the same road. Linda’s constant rate is 35 mph. Martin’s is 60

????????????????????????????????????????

A country’s population in 1994 was 107million, In 1997 it was 112 million . Estimate the population in 2008 using the exponential growth formula. round your ans

I’m confused on this one

Ediacaran faunal fossils are rare because they ____.

Cuando los organismos muestran diferencias en comparacion con los originales se sostiene el enunciado de los principios de la seleccion natural que se refiere a