Question

these are disadvantages of what energy? not available at night, expensive, panels are inefficient. geothermal biomass wind solar

Explanation:

The text on the screen mentions disadvantages such as unavailability at night, high - cost, and inefficiency of panels. These are common drawbacks of solar energy as solar power generation depends on sunlight (not available at night), solar panels can be expensive to install, and their energy - conversion efficiency can be relatively low.

Answer:

Solar