Final answer:
The challenges associated with fully powering the world with renewable energy resources include limited availability of renewable sources, high initial installation costs, and low efficiency of renewable technologies. Option A is the Correct answer.
Step-by-step explanation:
The challenges associated with fully powering the world with renewable energy resources include:Limited availability of renewable energy sources: While renewable sources like solar and wind are abundant, they are not available in equal measure everywhere.
For example, countries with high cloud cover may not fully benefit from solar energy.High initial installation costs of renewable energy systems: Setting up renewable energy infrastructure can be expensive.
The costs include acquiring and installing solar panels, wind turbines, or hydroelectric equipment.Low efficiency of renewable energy technologies: Renewable energy systems generally have lower efficiency compared to fossil fuel-based systems. This means that they convert a smaller proportion of the available energy into usable power.