Please I need help ASAP Answer key
4m , 7m, 4 km,1 m,300 cm,800 cm , 9 km , 5,000 m , 2 km , 8km, 3 km , 7 km ,1000 cm , 5 m, 1 km , 600 cm , 2 m,6 km , 9 m , 10,000 m

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

What causes most sediment to wash or fall into a river