4. What is the function of a wind turbine? a. changing the kinetic energy of wind to electrical energy
b. capturing wind energy and using it to pump water
c. slowing down the wind so it causes less erosion
d. storing the energy of wind as thermal energy

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.