Due in 12 min. STUCK. Help me please?

A: Carl Sagan wrote extensively on people’s connections to the universe. What does Sagan mean when he says that, “we are star stuff?”

B: Do you agree with Sagan’s assessment of people’s connection to the universe? Explain your answer based on what you know about the life and death of stars.

What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.

In physics the desire of an object to keep doing what it is doing is termed?

What are atoms of the same element with varying number of neutrons