A sound wave has a frequency of 2700Hz and wavelength of 20cm. What is it’s velocity?

Find a formal factor that connects egypt to africa to europe and to southwest asia

This one too which statements describe attributes of an artesian well? check all that apply. requires a bucket uses natural pressure uses a mechanical pump is heated by hot rocks or magma has groundwater stuck between impermeable layers

Regions are always defined by a. climate b. many different factors c. mountain ranges d. continents & bodies of water