Acommunications satellite transmits a radio wave at a frequency of 9.4 x 10^9 hz. what is the signal’s wavelength? assume the wave travels in a vacuum. show your work.

What is a coast of using technology to transport water? a.cities can be built in otherwise uninhabitable areas. b.crops can be irrigated and grown in new areas. c.floods can be averted in flood-prone areas. d.freshwater supplies can be depleted in an area.

The energy needs of a human population are not affected by

Vessels draining the myocardium of the heart, open primarily ,into which chamber?