Which of the following best describes one way electron microscopes and light microscopes differ in structure?

light microscopes use vacuum tubes instead of electron beams to concentrate light on the stage.
electron microscopes use an infrared light source instead of a regular light source to display images.
electron microscopes use a beam of electrons instead of light to magnify images.
light microscopes use lamps instead of electric cables as a power source.

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power