When solar energy is converted to thermal energy, how is the thermal energy used? Check all that apply. to provide air conditioning
to cool refrigerators
to heat spaces in buildings
to heat water

to heat spaces in buildingss

Explanation:

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer