Energy conversions are never completely efficient because some energy is always lost in the form of
to the
environment.

1. Light
2. Heat
3. Sound
4. Electricity

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

the answers would be

the first one and the second one

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl