Answer: Examples include rooftop solar panels, solar water heating, small-scale wind generation, fuel cells powered by natural gas or renewable hydrogen, and geothermal energy. These all contribute to lowering greenhouse gas emissions.
Answer: On a grassy knoll in Newburgh, New York, Washington gave one of the most important speeches in his military career.
Explanation:
Thomas Edison invented the electric light bulb in 1879.
Answer:
FIRST ONE IS WRONG AND THE LAST TWO ARE CORRECT
Explanation:
A+B=90 IS WRONG ITS 180
90+B=180 IS RIGHT BECAUSE ITS 90 + A 90 DEGREE ANGLE
180-B=A IS CORRECT BECAUSE B IS 90 SO 180 - 90 = A. A=90
I would say nomadic warriors hope this helps