Answer:
the answer is a and d
Step-by-step explanation:
I did it on edge and got it right.
A. Renewable energy supplies may not be completely reliable.
D. It is difficult to generate electricity in large quantities using renewable resources.
Renewable energy supplies may not be completely reliable. sources will never run out. Renewable energy produces large quantities of waste products. It is difficult to generate electricity in large quantities using renewable resources.
Wind: Inconsistent power supply is one of the biggest drawbacks of utilizing wind turbines to generate electricity.
Solar: The main disadvantage of solar energy is cost, particularly in the start-up phase.