I believe the answer is C
If you are writing to persuade someone to switch to solar energy, this is your purpose.
Answer:
The suffix -ometer is commonly used to label measuring equipment and is just another form of -meter. Just like in thermometer. In cars you also have odometers that measure how far you've traveled. It comes from Ancient Greek metron (μετρον) meaning a measurement.
Hope it helped
Zhang Qian was a Chinese official and diplomat who served as an imperial envoyto the world outside of China.
