Which of the following devices is associated with the reception of radio signals? a. transmitting antenna b. demodulator c. oscillator d. microphone what is the true answer . i need the correct answer

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils