What is the speed of the sound wave with the frequency 15 Hz and wavelength 22 m.?

Identify the type of synthetic material used in each object

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion