Solar panels are expensive, they are kept this way by the companies.
The price ranges around $10.000 - $15.000 for an installation. It takes years to get this investment back and in the meantime the batteries need to be changed and power converter need to be maintenance, etc.
your answer is 4. sufficient sunlight reaches only a few locations
Answer:
Increase in agricultural productivity due to mechanized farming techniques
Increase in settlement areas due to improved water delivery and storage methods
Increase in urbanization due to globalization
Explanation:
Answer:
Three
Explanation:
Three
Three extremely large explosive eruptions have occurred at Yellowstone in the past 2.1 million years with a recurrence interval of about 600,000 to 800,000 years. More frequent eruptions of basalt and rhyolite lava flows have occurred before and after the large caldera-forming events.
Hunting fighting and building huts