What is the difference between circumstances and circumference??

pls ans asap​

Energy flows from the producer level to the level. is called

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?