They use a hygrometer. It measures relative humidity (the amount of moisture in the air) A psychrometer is an example of a hydrometer
Answer: "The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container."
Explanation: Was their answers to pick from if so i could help give the exact answer
Answer:
D) Solar
Explanation:
Solar can transform light and wind energy to electricity