Which of the situations involve no force of friction? Explain why A. A hockey puck is shot across an ice rink
B. A sky diver falls from a plane
C. A probe travels through deep space
D. A speed boat skims across the water

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter