Question

_____ has required the use of solar water heaters since 1957.

Answer 1

Answer:

I think solar panel not right answer I think

Answer 2

Answer:

'The fuel crisis has required the 'use of 'solar water heaters' since 1957'

Explanation:

• Israel prefers the utilization of 'solar water heater' due to the need for Fuel. They started using solar water heater even before getting their independence.
• It has become extensively used for 'domestic purpose' and around 50000 solar water heaters were sold in 1967 (that is within '10 years of its inception'). It has started spreading wider and wider and that they could feel the difference in the electrical and solar rate.
• So Israel is the global head and beginner of the solar industry.