This can be seen as a trick question because heat engines can typically never be 100 percent efficient. This is due to the presence of inefficiencies such as friction and heat loss to the environment. Even the best heat engines can only go up to around 50% efficiency.
<span>Leaves of plants absorb light from the sun.Leaves of plants also absorb the air that people breathe out, called carbon dioxide.Leaves of plants also absorb water. ...Leave</span><span>How Do Primary Producers Make Their Own Food? - Tech Alive</span><span>techalive.mtu.edu/meec/module10/Howarenutrientscycledinaschoolyardecology.htm</span>s of plants use light from the sun to turn the air people breathe out and water into glucose and oxygen. GOT IT FROM
Statement three i do believe
Answer:
Resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length.
Explanation:
A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors.